Brachytherapy is a type of radiotherapy that is used in the treatment of various kinds of cancer. It is also known as internal radiotherapy or seed therapy. Unlike external beam radiotherapy, which delivers radiation from outside the body, brachytherapy works by precisely targeting the cancerous tumor from inside the body. Radioactive seeds are placed inside the cancerous tissue and a... https://www.quora.com/How-can-a-brachytherapy-seed-make-its-way-from-my-prostate-to-the-tail-end-of-my-epididymis/answer/Coherent-Market-Insights-1?prompt_topic_bio=1