How can you treat Cancer Internally?

-Implants that emit Beta Radiation are Next, or Inside, the Tumour, which Damaged the Tumour -The Damage done to Healthy Cells and Tissues is Limited as it doesn't have a Big Range -IF the Implant has a SHORT Half life, then it can simply Remain there -IF the Implant has a LONG Half Life, then it needs to be Removed -IF The Implant has ALPHA Radiations, then it needs to be Managed Even More