Fig. 2.

Stacked bar chart of the worst-grade acute toxicity, acute adverse event, late toxicity, and RTOG. Worst-grade (A) acute CTCAE toxicity, (B) acute CTCAE adverse event, (C) late CTCAE toxicity, and (D) RTOG. Adverse event refers to an event that was not present at baseline or was reported at a higher grade than at baseline, and toxicity refers to the subset of adverse events that were categorized as treatment related. Abbreviation: CTCAE = Common Terminology Criteria for Adverse Events; GI = gastrointestinal; GU = genitourinary; RTOG = Radiation Therapy Oncology Group.