Toxicity criteria of the Radiation Therapy Oncology Group (RTOG) and the European Organization for Research and Treatment of Cancer (EORTC)

The Late Morbidity Scoring Criteria were developed as a joint effort between physicians with renewed interests in fast neutron therapy and Radiation Therapy Oncology Group (RTOG) staff to represent cumulative probabilities of late effects with methods similar to those for estimating local control and survival.