There are two main types of brachytherapy used for breast cancer - high dose rate (HDR) and low dose rate (LDR). For HDR brachytherapy, a small radioactive source on the end of a catheter is temporarily placed in the breast and then removed once the prescribed dose is delivered. This is usually done as an outpatient procedure and treatment times can range from 15-30 minutes. https://www.coherentmarketinsights.com/market-insight/brachytherapy-market-1175