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Patients characteristics
| Patient characteristics (n = 43) | |
|---|---|
| Sex (male/female) | 22/21 |
| Age, median (range) | 61 y (31–79) |
| ECOG performance status (0/1) | 12/31 |
| Prior radiation therapy | 8 |
| Primary tumor: | |
| Colorectal | 38 |
| Gastric | 1 |
| Esophagus | 2 |
| Anal | 1 |
| Cholangiocarcinoma | 1 |
