Table 1.
Patient characteristics.
| Parameters | Number of Patients |
|---|---|
| Median age (years) | 57 (range: 40–82) |
| Female/Male | 0/21 |
| Performance status (ECOG 0–1/2) | 21/0 |
| Clinical stage (I/II/III/IV) a | 0/6/15/0 |
| T status (1/2/3/4) | 1/3/12/5 |
| N status (0/1/2/3) | 5/9/6/1 |
| M status (0/1) | 21/0 |
| Tumor extension | |
| CE | 1 |
| HP+CE | 7 |
| CE+TE | 8 |
| HP+CE+TE | 5 |
| Resectable/unresectable before CCRT b | 17/4 |
| Concurrent chemotherapy (with/without) | 21/0 |
a Classification of the clinical stage was based on the seventh edition of the TNM classification for esophageal cancer. b All unresectable patients had tumor invading the trachea. Abbreviations: ECOG, Eastern Cooperative Oncology Group; CE, cervical esophagus; HP, hypopharyngeal extension; TE, thoracic esophageal extension.