Table 2 Clinicopathologic features and responses to preoperative CRT
From: Predicting multi-class responses to preoperative chemoradiotherapy in rectal cancer patients
Parameters | Value |
|---|---|
Number of patients | 77 |
Median age (yrs, range) | 56, 33–76 |
Sex | |
 Male | 54 |
 Female | 23 |
Histological subtype | |
 Adenocarcinoma | 72 |
Mucinous | 3 |
Signet ring cell | 2 |
Median interval to surgery (days, range) | 56, 41–76 |
CEA (ng/ml) | |
 Before CRT | 4.7 ± 6.6 |
 After CRT | 1.9 ± 1.5 |
UICC stage after surgery | |
 0 | 16 (20.8 %) |
 I | 18 (23.4 %) |
 II | 18 (23.4 %) |
 III | 22 (28.6 %) |
 IV | 3 (3.9 %) |
Number of lymph nodes | 11.8 ± 6.6 |
 Lymphatic invasion (+) | 17 (22.1 %) |
 Vascular invasion (+) | 5 (6.5 %) |
 Perineural invasion (+) | 4 (5.2 %) |
Dworak regression grade | |
 Grade 1 | 10 (13.0 %) |
 Grade 2 | 36 (46.8 %) |
 Grade 3 | 13 (16.9 %) |
 Grade 4 | 18 (23.4 %) |