Follow-up and End Points
Cancer
ADVERSE EVENT, ADVERSE EVENT, CANCER
Patients underwent weekly examinations during CCRT. Follow-up evaluations occurred every 3 months during the first 2 years, every 6 months during years 3 to 5, and then annually. Adverse events were graded per National Cancer Institute Common Terminology Criteria for Adverse Events version 3.0. Adverse events scored as definitely, probably, or possibly associated with protocol treatment (or with unknown association) were considered treatment associated.