(UroToday.com) The Latin American sectional meeting at the 2021 American Society for Radiation Oncology annual meeting included a presentation by Dr. Christian Flores Balcazar discussing updates and controversies in the NCCN guidelines for radiation therapy and prostate cancer. Dr. Flores Balcazar started by highlighting that over the years the NCCN has become the market leader for clinical guidelines, reuniting the experts often to summarize the diagnosis and management options currently available. As a result, this document is quickly updated, is easy to consult for patients and clinicians, and is free of charge to anyone. However, the main drawback does not have to do with the content itself, but rather how these guidelines are used. Multidisciplinary participation in the elaboration of the NCCN prostate cancer guidelines is crucial, and this includes medical oncologists, urologists, radiation oncologists, and patient advocates. As follows, is the breakdown by specialty among the experts: