Cancer symptoms are changes in the body caused by the presence of cancer

Cancer

Cancer , known medically as a malignant neoplasm, is a large group of different diseases, all involving unregulated cell growth. In cancer, cells divide and grow uncontrollably, forming malignant tumors, and invade nearby parts of the body. The cancer may also spread to more distant parts of the...

. They are usually caused by the effect of a cancer on the part of the body where it is growing, although the disease can cause more general symptoms such as weight loss or tiredness. It is advisable that anyone experiencing unusual symptoms that are not normal for them for more than a few weeks should seek medical attention.

There are more than 200 different types of cancer with a wide range of different signs and symptoms, making it difficult to produce a definitive list. For information about the specific signs and symptoms of a specific type of cancer, please see the Wikipedia entry for that disease.

Typical symptoms of cancer include :

• The presence of an unusual lump in the body
• Changes in a mole on the skin
• A persistent cough or hoarseness
• A change in bowel habits, such as unusual diarrhea or constipation
• Difficulty in swallowing or continuing indigestion
• Any abnormal bleeding, including bleeding from the vagina, or blood in urine or faeces
• A persistent sore or ulcer
• Difficulty passing urine
• Unexplained weight loss
• Unexplained pain
• Unexplained tiredness or fatigue
• Skin changes such as an unexplained rash or unusual texture
• Unexplained night sweats