Table 1 Patients characteristics.
Characteristics | No. of patients (%)/median (IQR) |
---|---|
Gender | Â |
 Male | 44 (68.7) |
 Female | 20 (31.3) |
Clinical T stage | Â |
 T2 | 2 (3.1) |
 T3 | 29 (45.3) |
 T4 | 33 (51.6) |
Clinical N stage | Â |
 N+ | 63 (98.4) |
 N- | 1 (1.6) |
Chemoradiotherapy | Â |
 Yes | 64 (100) |
 No | 0 |
pCR | Â |
 Yes | 10 (15.6) |
 No | 54 (84.3) |
Pathological subtypes | Â |
 Tubular adenocarcinoma | 59 (92) |
 Mucinous adenocarcinoma | 4 (6) |
 Signet-ring cell carcinoma | 1 (2) |
Grade | Â |
 Poorly differentiated | 3 (5) |
 Moderately differentiated | 59 (92) |
 Well differentiated | 2 (3) |
 Age, median (IQR) | 59 (48–64) |
 Tumor size, MR (cm2), median (IQR) | 7.56 (5.40–12.00) |
 CEA (pre-RT), median (IQR) | 4.40 (2.0-9.40) |
 CA199 (pre-RT), median (IQR) | 12.42 (8.10-22.04) |
 NAR score, median (IQR) | 8.43 (3.75–14.98) |
 RSI, median (IQR) | 0.48 (0.41–0.55) |
 GARD, median (IQR) | 18.40 (14.94–22.28) |