3. Frequent fevers or infections
These may be symptoms of leukemia, a cancer of blood cells that develops in the bone marrow. Leukemia causes the bone marrow to produce abnormal white blood cells, weakening the body’s ability to fight infection.
4. Difficulty swallowing
Difficulty swallowing is usually associated with cancer of the esophagus or throat, and is sometimes also an early symptom of lung cancer.
5. Swollen lymph nodes or lumps in the neck, armpits, or groin
Enlarged lymph nodes indicate changes in the lymphatic system, which may be a sign of cancer.
6. Excessive bruising or bleeding that does not stop.
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This symptom usually suggests that something is wrong with the platelets and red blood cells, which may be a sign of leukemia. Over time, leukemia cells replace the red blood cells and platelets, impairing the blood’s ability to carry oxygen and clot.
7. Weakness and fatigue
Generalized fatigue and weakness are symptoms of so many different types of cancer that they should be considered in conjunction with other symptoms. However, if you feel unexplainably exhausted and don’t respond to more sleep, consult your doctor.
8. Abdominal bloating or weight gain
