Cancer is a group of conditions involving abnormal cell growth with the eventuality to foray or spread to other corridor of the body. These discrepancies with benign excrescences, which don't spread. Possible signs and symptoms include a lump, abnormal bleeding, prolonged cough, unexplained weight loss, and a change in bowel movements. While these symptoms may indicate cancer, they can also have other causes. Over 100 types of cancers affect humans.
