Table 2 Clinical esophageal cancer patient characteristics.
From: Personalized intensity modulation radiation therapy auto-planning for esophageal cancer
No. of patients | |||
|---|---|---|---|
Characteristic | Category | Internal | External |
Stage | 1 | 6 | 0 |
2 | 48 | 1 | |
3 | 205 | 11 | |
4 | 42 | 8 | |
T | 1 | 8 | 1 |
2 | 21 | 4 | |
3 | 200 | 11 | |
4 | 72 | 4 | |
N | 0 | 55 | 0 |
1 | 109 | 4 | |
2 | 101 | 12 | |
3 | 36 | 4 | |
M | 0 | 267 | 17 |
1 | 34 | 3 | |
Histology | Squamous cell carcinoma | 294 | 19 |
Other | 7 | 1 | |
Location | Upper | 46 | 3 |
Middle | 104 | 7 | |
Lower | 70 | 6 | |
Overlapping | 51 | 4 | |
Unspecified | 30 | 0 | |
