Table 2 Acute and late toxicities in all grades of patients who underwent proton radiotherapy
Toxicity | Grade 1/2 n (%) | Grade 3/4 n (%) | Grade 5 n (%) | All n (%) |
|---|---|---|---|---|
Acute toxicities | Â | Â | Â | Â |
Hematologic | Â | Â | Â | Â |
  Leukocytopenia | 68 (34.0) | 66 (33.0) | – | 134 (67.0) |
  Thrombocytopenia | 26 (13.0) | 5 (2.5) | – | 31 (15.5) |
Gastrointestinal | Â | Â | Â | Â |
  Gastrointestinal bleeding/ulcer | 46 (23.0) | 15 (7.5) | – | 61 (30.5) |
  Nausea/vomiting | 12 (6.0) | 3 (1.5) | – | 15 (7.5) |
  Diarrhea | 4 (2.0) | – | – |  |
  Anorexia | 16 (8.0) | 2 (1.0) | – | 18 (9.0) |
Others | Â | Â | Â | Â |
  Dermatitis | 40 (20.0) | 2 (1.0) | – | 42 (21.0) |
  Jaundice | 2 (1.0) | – | – | 2 (1.0) |
Late toxicities | Â | Â | Â | Â |
 Gastrointestinal |  |  |  |  |
  Gastrointestinal bleeding/ulcer | 43 (19.5) | 14 (7.0) | 1 (0.5) | 58 (29.0) |
  Anorexia | 2 (1.0) | – | – | 2 (1.0) |
 Others |  |  |  |  |
  Dermatitis | 14 (7.0) | – | – | 14 (7.0) |
  Spinal fracture | 2 (1.0) | – | – | 2 (1.0) |