These refer to surgical procedures designed to remove cancerous tumors. When it comes to a bone sarcoma a wide or radical resection, refers to removing the portion of the bone containing the cancer including additional normal appearing bone and soft tissues around the cancer for clear margins. Clear margins means that there are no microscopic cancer cells left that can be detected under a microscope. When it comes to a soft tissue sarcoma, a wide or radical resection means removing the sarcoma with a margin of normal soft tissue around it. These types of resections are used for cancerous tumors to minimize their chances of coming back.