Neoplasms

The overall distribution of cancers.    Adopted is the distinction between benign and malignant tumors. The former grow slowly, giving easy to predict symptoms compatible with the location of the source of the tumor. No metastases have not to neighboring tissues. They are relatively well by radiation therapy or hormonal therapy, and in some cases. In many cases, it is necessary to remove the tumor by the operating body cast, if possible. Malignant neoplasms are characterized by unpredictability. They give frequent metastases to sites distant from the source. Prostate cancer metastases to the bones of the skull. To neighboring tissues, spread out as sharp. Quickly the body, are the cause of suffering patients. Impossible to cure. Resistant to radiotherapy, chemotherapy, preclude any operation. Plurality of cells in the body does not allow for effective treatment planning. There are also locally malignant tumors, such as, brain tumors.