30 cancer symptoms you should never ignore

You won’t always get a lump or a bump with cancer, the signs can be much less obvious. However, keep in mind that many of these so-called cancer symptoms can also be due to other benign or non-cancer-related health issues as well. It’s key to discuss any of the following symptoms with your doctor for a proper diagnosis.

A suspicious neck lump could be a sign of lung, throat, thyroid or breast cancer as well as leukaemia, Hodgkin’s lymphoma and some forms of skin cancer. While the lumps can be benign or non-cancerous, they’re a bigger concern if you also have risk factors like smoking, drinking, or you’re getting up there in years. Endocrinologist, Dr Michael Tuttle, says to pay attention to how the lump behaves. “The trick is (thyroid nodules) move up and down when you swallow,” Dr Tuttle says. “Most other lumps don’t move.”

Here are some more thyroid facts everyone should know.

Jaundice is the medical term for yellowing skin and eyes, and it comes from bile build up –  an indication that your body isn’t able to break bile down. “Jaundice is one of the clearest symptoms of pancreatic cancer,” says gastroenterologist, Dr Christopher Di Maio. “Often, patients feel fine until one day a friend notices their eyes look yellow, then they go to the doctor and find they have advanced pancreatic cancer.” Jaundice can also cause your skin to itch. Yellowing skin is a symptom of gallbladder and liver cancers, as well as many other diseases and conditions.

Changes in colour, shape or size, of a wart, mole or freckle could be melanoma, a type of skin cancer. Having fair skin is a primary risk factor, although people of any skin colour can get a melanoma; see a dermatologist yearly, particularly if your complexion is fair, you have a family history of melanoma, or you have more than 50 moles on your body, recommends dermatologist, Dr Anna Di Nardo. If any freckles, beauty marks or moles start to bleed, speak with your dermatologist.

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You may think your abdominal pain is simply indigestion or period cramps. However, if the discomfort locates itself in the upper-right abdomen region, this could be a symptom of gallbladder cancer. Persistent stomach cramps could also be a symptom of leukaemia or oesophageal, liver, pancreatic, colorectal or testicular cancer.

Ovarian, pancreatic, stomach, colon, liver, uterine and breast cancers could all cause severe abdominal bloating. “With ovarian cancer, not only can tumours grow quite large, but they can result in fluid growing around them, which can cause pretty dramatic abdominal extension,” says associate professor Dr Amanda Fader. If your abdomen is growing while your face and arms are losing muscle and fat, it may not be just weight gain.

Follow these tips to eat your way to a bloat-free belly.

Telling the difference between a common headache and headaches from cancer is challenging – even for doctors. The best indicator of cancer, however, is a new daily headache that won’t go away with treatment, such as over-the-counter painkillers, according to associate professor, Dr Mike Chen. “These headaches tend to get worse over time and often happen first thing in the morning when intracranial pressure is high from lying in bed for long periods of time,” he says. However, there’s no specific type of headache that can predict whether or not a person has a brain tumour. Cancers in the brain, spinal cord and upper throat, as well as some forms of lymphoma, pituitary gland tumours and other cancers that spread to the brain, may also cause headaches.

Oral and brain cancers can impact speech, especially ones in the frontal or temporal lobes. People can lose basic motor functions like speech and language comprehension and end up stuttering or have difficulty naming objects, says Dr Christopher Carrubba. In the case of oral cancer in your lips, gums, tongue and throat, speech problems occur if cancer changes how any part of your mouth moves.

“The most common subtle signs of cervical cancer are abnormal bleeding of any kind,” says associate professor in gynecologic oncology, Dr John Moroney. This includes bleeding in between periods, heavier-than-usual menstruation, or bleeding after menopause. Other cancers that cause abnormal vaginal bleeding are cervical, uterine, and ovarian cancers.

One of the most common testicular cancer symptoms is a pain-free mass in the testis, according to clinical associate professor of urology, Dr Joseph Harryhill. “It is important for men to realise that a tumour often does not cause any significant discomfort – thus the importance of regular testicular self-examination,” Dr Harryhill says. Many times men will not notice the mass until they receive an unrelated injury, bringing the tumour to their attention. Moral of the story: make sure you check yourself regularly for lumps and bumps.

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Leukaemia and brain tumours can cause cancer-related fatigue. For people with leukaemia, this is usually because of anaemia (a deficiency of red blood cells), which only compounds the physical exhaustion. People with a brain tumour, however, experience weakness and lethargy due to disrupted nerve signals. There are also some colon or stomach cancers that can cause blood loss that leads to fatigue. The later stages of kidney cancer will also rob energy, reports the Mayo Clinic.

If you have a persistent cough for more than three weeks without other cold or allergy symptoms, it could be an early sign of lung or throat cancer. (However, there are many other causes of a chronic cough, including asthma.) Leukaemia can also cause symptoms that seem like bronchitis or a bad chest cold. Not surprisingly, coughing up blood can be another cancer symptom, especially if it’s bright red and looks bubbly from mixing with air and mucus.

These silent signs could indicate that your lungs are in trouble.

Melanoma of the nails – officially known as subungual melanoma – hits up to 3.5 per cent of people with melanoma. Rare as it is, it’s crucial to remember this tell-tale sign: a dark black or brown line across a fingernail or toenail.

Leukaemia, bladder cancer, prostate and kidney cancer could all cause blood in your urine – and so it’s not something to ignore. Blood in the urine is the most common sign of bladder cancer, notes urologist and urologic oncologist, Dr Gary Steinberg. (Blood in the urine can also be a sign of a urinary tract infection (UTI) or other conditions.) The blood doesn’t always have to look bright red. Sometimes, it looks brown, like the colour of cola. If you notice blood in your urine, see a doctor right away.

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Pain or a burning sensation during urination can be an indicator of bladder cancer. (Or also, more commonly, a UTI or another condition.) “Many patients, especially as we get older, will have changes in our urination,” says Dr Steinberg. Gradual changes are OK, but if you suddenly experience new, uncomfortable symptoms, see a doctor right away.

This is one of the most obvious symptoms of colon cancer, according to the Cancer Concil of Australia. If you have issues with long-term constipation, diarrhoea, or a difference in stool size, speak to your doctor. This can be a symptom of many other conditions, but could also be a sign of ovarian cancer, either because the disease has spread to the colon or has triggered the build-up of fluid in the area.

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Cancers that start in the brain or spinal cord – or have spread there – may cause blurred vision, double vision or vision loss. Patients often won’t notice the issue until they realise they’re continually bumping into things on one side of their body, or have repeated car accidents on the side suffering damage.

Uterine or cervical cancer could cause out-of-the-ordinary vaginal discharge. Persistent discharge that has a different colour, or that has an odour, could be the result of dead or dying tissue, says gynaecologist, Dr Tracy Scheller.  It’s normal and healthy for discharge to change throughout the month, and it can vary in thickness, opacity and consistency. But any vaginal discharge that is pale, watery, foul-smelling, brown, or bloody could be a sign of cervical cancer.

Like so many cancer symptoms, this one’s indistinct: shortness of breath could mean leukaemia, lung cancer, or nothing at all. As their disease worsens, leukaemia patients might experience – in addition to fatigue and weakness – shortness of breath that stems from anaemia or, in much rarer cases, masses in the chest. For people with lung cancer, shortness of breath can come from a tumour blocking the windpipe or an accumulation of fluid in the chest, says professor of thoracic surgery, Dr Raja Flores. Trouble breathing when you’re sitting or lying down can also be a sign of trouble.

An unexplained weight loss of five kilos or more may be the first sign of cancer. This happens most often with cancers of the pancreas, stomach, oesophagus, lung and liver.

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If you find yourself getting full faster and unable to eat as much as you normally would, you might be dealing with ovarian cancer symptoms, according to Dr Holcomb. In fact, most cancers will interfere with your appetite since they often trigger changes in your metabolism. Stomach, pancreatic, colon and ovarian cancers can put pressure on your stomach and make you feel too full to eat. Excess fluid in the belly can make you feel full faster if you have liver cancer.

If you’re not sick but can’t seem to kick that scratchy sore throat, it could be one of the early symptoms of throat cancer. (Keep in mind there are many things that cause a sore throat that aren’t cancer.) Tumours that form in the area below the vocal cords often cause this throat cancer symptom.

A hoarse voice could be the symptom of lymphoma or throat, lung, larynx or thyroid cancer. Sometimes, hoarseness is a later symptom of breast or lung cancer that spreads and presses on nerves near the voice box. If the hoarseness doesn’t go away within two weeks, see a doctor.

Find out why many of us hate the sound of our own voice.

This symptom is very common and most often not due to cancer. However, people with colon, rectum or ovarian cancer can have back pain. People with lung cancer may also have back pain ­– pressure from a tumour can put stress on the back. A similar thing happens for people with cervical, bladder or pancreatic cancer. Most often, however, back pain due to cancer means it has already spread or grown and mostly likely is accompanied by other symptoms.

Everyone gets the occasional bruise ­– but if you have excessive, unexplainable bruising in strange places, this could be an early sign of leukaemia. Over time, leukaemia impairs the blood’s ability to carry oxygen and clot, and this can lead to bruising.

Cancer in the kidneys, pancreas or liver could cause dark urine. The same bile build-up that contributes to jaundice or yellowing skin gives urine a darker colour.

If you’re breastfeeding or pregnant, breast discharge is likely nothing to worry about. Otherwise, any discharge should be checked by a doctor; after a lump, nipple discharge is the more common breast cancer symptom. Spontaneous nipple discharge that’s anything other than clear in colour could be a cause for concern.

Any time your body temperature rises, it’s a sign that your immune system is battling some kind of intruder. That could be a virus, bacteria or potentially a tumour. Persistent and reoccurring fevers that can’t be explained by cold or flu symptoms should be evaluated by your doctor. In rare cases, fever is an early symptom of blood cancers such as leukaemia, lymphoma as well as kidney cancer.

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Long-lasting mouth sores could be oral cancer and should be treated right away, especially in people who smoke or drink alcohol often. Some skin cancers may bleed and look like sores that haven’t healed.

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These patches could be leukoplakia – a pre-cancerous condition that could progress into mouth cancer if left untreated. Mouth-irritating habits like smoking or chewing tobacco often cause leukoplakia. The patches slowly develop over weeks or months and can be hard to scrape off.

This is one of the most common oesophagus cancer symptoms, according to the Cancer Council of Australia, though it can also turn up in people with throat, stomach or lung cancer. People might feel like food sticks in their throat or that they are choking on it. People with this symptom might unknowingly take smaller bites of their food or change their eating and diet habits to make swallowing easier.

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Source: RD.com