Clinical Study

Clinical Outcome of Patients with Complete Pathological Response to Neoadjuvant Chemoradiotherapy for Locally Advanced Rectal Cancers: The Indian Scenario

Table 1

Demographic and clinicopathological characteristics.

Characteristics = 64 (%)

Gender
 Male42 (65.6%)
 Female22 (34.4%)
Age (yr)
 Range18–77
 Median47
Stage at presentationa
 cT3N039 (60.9%)
 cT4N02 (3.1%)
 cT3N+x23 (35.9%)
Distance from anal verge (AV)b
 AV-2 cms25 (39.1%)
 2–5 cms15 (23.4%)
 5–10 cms20 (31.3%)
 >10 cms04 (6.3%)
Pretreatment CEA (ng/mL)c
 Range1.1–127
 Median3.2
Surgery
 Abdominoperineal resection (APR)d29 (45.3%)
 Low anterior resection10 (15.6%)
 Anterior resection22 (34.3%)
 Intersphincteric resection03 (4.6%)
Histology
 Classical adenocarcinoma50 (78.1%)
 Mucinous adenocarcinoma5 (7.8%)
 Signet cell adenocarcinoma9 (14.06%)
Extracellular mucin pool
 Yes24 (37.5%)
 No40 (62.5%)
Total nodes dissected
 Range1–21
 Median08
Radiotherapy type
 Long course67 (95.7%)
 Short course03 (4.3%)
Radiotherapy dose
 50 GY48 (75%)
 40–45 GY14 (22%)
 25 GY02 (3.1%)
Laparoscopy
 Yes11 (17.2%)
 No53 (82.8%)
Interval of NACTRT to surgery (days)
 Range12–206
 Median56.5
Postoperative chemotherapy
 Yes39 (60.9%)
 No25 (39.1%)

Clinicoradiological staging.
bAV: anal verge.
cCEA: carcinoembryonic antigen.
dAPR indicates abdominoperineal resection.
xN+: positive nodal status.