Table 4 EBRT field according to performance of surgery and N stage (n = 521)
Radiation field (%) | ||||
|---|---|---|---|---|
Group | Patients (n) | Primary | Primary plus LN | Others |
Surgery + | ||||
Total | 219 | 151 (68.9) | 63 (28.8) | 5 (2.2) |
pN0 | 75 | 54 (72.0) | 20 (26.7) | 1 (1.3) |
pN1 | 78 | 49 (62.8) | 29 (37.2) | 0 (0) |
Unknown | 66 | 48 (72.7) | 14 (21.2) | 4 (6.1) |
cN0 | 111 | 95 (85.6) | 13 (11.7) | 3 (2.7) |
cN1 | 65 | 43 (66.2) | 20 (30.8) | 2 (3.0) |
Unknown | 43 | 13 (30.2) | 30 (69.8) | 0 (0) |
Surgery - | ||||
Total | 302 | 237 (78.5) | 56 (18.5) | 9 (3.0) |
cN0 | 189 | 171 (90.5) | 11 (5.8) | 7 (3.7) |
cN1 | 79 | 34 (43.0) | 44 (55.7) | 1 (1.3) |
Unknown | 34 | 32 (94.2) | 1 (2.9) | 1 (2.9) |
Total | 521 | 388 (74.5) | 119 (22.8) | 14 (2.7) |