The word cancer comes from greek karkin, which means crab, and was first used by Hippocrates, the father of medicine, who lived between 460 and 377 BC. Ç.
Cancer is the general name given to a group of illnesses which have in common the disordered growth of cells, which tend to invade neighboring tissues and organs.
Cancer is also one of the Zodiac signs, awarded to people born between the 21st of June and the 21st of July. Your symbol is a crab (karkin) and is associated with the Cancer constellation.
Malignant Neoplasm (Cancer)
At neoplasms correspond to an uncontrolled form of cell growth, also called tumors. They can be benign or malignant, according to the type of cell growth presented:
- malignant neoplasm: characterizes the cancer itself. It has uncontrolled cell growth, with the ability to invade adjacent tissues. Its cells can spread and grow in places far from their origin (metastasis);
- benign neoplasm: has a controlled cell growth and its cells are usually located in a single tumor mass, circumscribed by a capsule or adjacent tissues. There is no risk of metastasis or invading neighboring tissues.
Metastasis it is the neoplastic growth at a distance, without continuity and without dependence on the primary focus, that is, it is the spread of cancer to other organs.