Table 3.
Acute and Late Complication Rates According to Treatment Group in Patients with T1b Lesions
| Complication | Esophagectomy | CCRT | RT alone |
|---|---|---|---|
| Acute | |||
| Esophagitis | |||
| Grade 2 | 0 | 11 (44) | 0 |
| Grade 3 | 0 | 2 (8) | 4 (40) |
| Grade 4 or 5 | 0 | 0 | 0 |
| Esophageal stricture | |||
| Grade 2 | 1 (1) | 0 | 0 |
| Grade 3 | 13 (16) | 0 | 0 |
| Grade 4 or 5 | 0 | 0 | 0 |
| Pneumonia | |||
| Grade 2 | 0 | 0 | 0 |
| Grade 3 | 2 (2) | 0 | 0 |
| Grade 4 or 5 | 3 (4) | 0 | 0 |
| Other complication | |||
| Grade 2 | 2 (2) | 0 | 1 (10) |
| Grade 3 | 6 (7) | 0 | 0 |
| Grade 4 or 5 | 1 (1) | 0 | 0 |
| Late | |||
| Esophagitis | |||
| Grade 2 | 0 | 0 | 0 |
| Grade 3 | 0 | 0 | 0 |
| Grade 4 or 5 | 0 | 0 | 0 |
| Esophageal stricture | |||
| Grade 2 | 5 (6) | 0 | 0 |
| Grade 3 | 10 (12) | 0 | 0 |
| Grade 4 or 5 | 0 | 0 | 0 |
| Pneumonia | |||
| Grade 2 | 0 | 0 | 0 |
| Grade 3 | 0 | 0 | 0 |
| Grade 4 or 5 | 0 | 0 | 0 |
| Other complication | |||
| Grade 2 | 4 (5) | 0 | 0 |
| Grade 3 | 1 (1) | 0 | 0 |
| Grade 4 or 5 | 0 | 0 | 0 |
Data are presented as number (%).
CCRT, concurrent chemoradiotherapy; RT, radiation therapy.