1. Lump or Bumps

In case you notice a lump that is growing in any part of the body, consult your doctor immediately! Your doctor will send you to a specialist for any test if they think that the lump may indicate cancer.

2. Change in Skin Moles

If you notice any changes in your moles, freckles` or warts appearance, check with your doctor. These changes may indicate skin cancer which is highly treatable if detected on time.

3. Variation in Bladder Activity

If you notice any blood in your urine or feel pain while peeing, consult your doctor right away. These symptoms may be a sign of bladder, prostate, or kidney cancer.

4. Change in Bowel Habits

Any change in your bowel movement, such as timing, size, and amount, doesn’t necessarily have to be associated with cancer. In most cases, it is a result of certain foods or medications you are taking. However, if it happens on regular basis, consult your doctor.

5. Cough and Hoarseness

A persistent cough for more than three weeks seeks medical attention. Symptoms like shortness of breath and chest pain may indicate a severe or acute condition, such as pneumonia.

6. Difficulty Swallowing

Throat constriction may be nervous or immune system issue. However, it may be a harbinger condition which includes cancer in the throat, esophagus, or stomach.

7. Long-Lasting Sore Throat

In case you are experiencing a persistent sore throat, it could indicate something more severe such as laryngeal or throat cancer.

8. Unexplained Pain

Pain is the usual body response to any health problem. Long-lasting pain could be anything from bone, ovarian cancer, or simply nothing. As explained by The American Cancer Society, pain from cancer means that it has already spread in your body. By this point, you must consult your doctor.

9. Unexplained Weight Loss

If you have lost a lot of weights which simply cannot be explained by stress, changes to your diet or exercise, consult your doctor immediately. Weight lose of 10 pounds of more can indicate cancer. It is very common with patients who have pancreatic, esophageal, lung, or stomach cancer.

10. Bleeding

• Get checked ASAP if you have unexplained bleeding, such as:
• Blood from your back passage
• Blood when coughing
• Bleeding in between periods
• Blood in urine

11. Frequent fevers or infections

In some cases, a persistent or prolonged fever may be an indicator of a cancerous condition like lymphoma. Leukemia, a cancer of the blood cells, can also cause symptoms such as frequent infections, fevers, fatigue, and pain in the bones or joints,

12. Weakness and fatigue

Weakness and fatigue that last for a prolonged period must be evaluated by a doctor because it can be a sign of many types of cancers.

13. Chronic heartburn

Heartburn is mostly a symptom of acid reflux disease, but if it is persistent, it may be a sign of Barrett’s esophagus or esophageal cancer. According to a study published in the journal Clinical Gastroenterology and Hepatology, the inflammation of the tissue lining of the esophagus caused by chronic heartburn increases the risk of esophageal cancer. Furthermore, another study conducted by the researchers from Rhode Island Hospital has shown that there is a connection between Barrett’s esophagus and the development of esophageal cancer.

14. Jaundice

Jaundice is a medical term which describes the yellowing of the skin and the whites of the eyes caused by high blood bilirubin levels. Although it is usually a symptom of liver or gallbladder disease, sometimes it can also be caused by pancreatic cancer.

15. Changes in nails  

Sometimes, unusual changes in fingernails may be an indicator of many types of cancers such as skin, liver, or lung cancer. Some of the warning signs include:

• Black or brown spots under your nails may be a sign of skin cancer.
• Clubbing of the fingers or toes (enlarged ends of the nails) is linked to lung cancer.
• Pale or white nails is usually a sign of decreased liver function, but in some cases, it may also indicate to the development of liver cancer.

16. Wheezing and Shortness of Breath

Although wheezing and shortness of breath are usually associated with other medical conditions, in some cases, these symptoms can also indicate the presence of lung cancer.

Source: Potential Warning Signs of Cancer that People Too Often Ignore!