All animals in the world are made up of numerous small cells. These cells die after a certain time. New cells come and replace these old cells. Generally, the cells are regulated and systematically split into new cells. Generally speaking, when these cells continue to grow uncontrollably for some reason The skin or the wheel can be seen under the skin. This is called tumor. This tumor may be bone or malignant. Malignant tumorake cancer is called cancer. In a nutshell, the uncontrolled distribution is called neoplasia (tumor), and the cells with such an action are called neoplastic cells. Neoplastic cells do not penetrate the surrounding skin
If he can say that innocent or bainen tumor. Bainine tumor is not cancer. Neoplasia bacteria can be called cancer cells, and malignant tumor or cancer, and its uncontrolled divisional penetrating cells are cancerous cells. Many cancers first start as a bone tumor, after which some of the cells are transformed (transformations)
Malignant (ie penetrating power) becomes. But there is no stability in Binain Tumor's cancer. There are some similar tumor disorders that are inevitable for cancer - they are called pre-cancer. The name can be harmless, but it can also damage the surrounding caller by pressing down the tumor. Metastasis is a stage of cancer, so that the cancer is a stage Cancer cells spread through other channels and spread through the blood, lymphatic system and so on.