One of the most important cancer treatments is that the cancer is surgically removed (surgical treatment). Malignant tumors, such as cancerous growth and sarcoma, are traditionally treated primarily by surgery. This is done to prevent cancer growth. Often, some healthy tissue must also be removed around the cancer. This is done to prevent the spread of the tumor. Nowadays, attempts are made to remove as little healthy tissue as possible. For example, the goal is to operate breast cancer wi