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Table 3 Surgical and tumor pathological response

From: The safety of an MRI simulation-guided boost after short-course preoperative radiotherapy for unresectable rectal cancer (SUNRISE): interim analysis of a randomized phase II trial

 

Total

N = 30 (%)

Type of surgery

Miles

19 (63.3)

Dixon

11 (36.7)

R0 resection rate

28 (93.3)

pCR rate

5 (16.7)

Number of lymph nodes dissected

(Median, range)

15 (3–30)

Number of lymph nodes positive

(Median, range)

0 (0–9)

Distance to CRM

(Median, range mm)

 ≤ 1 mm

2 (6.7)

 > 1 mm

28 (93.3)

Pathologic T stage

T0

5 (16.7)

T1

2 (6.7)

T2

9 (30.0)

T3

12 (40.0)

T4

2 (6.7)

Pathologic N stage

N0

16 (53.3)

N1

10 (33.3)

N2

4 (13.3)

Tumor regression

Grade 1

3 (10.0)

Grade 2

14 (46.7)

Grade 3

5 (16.7)

Grade 4

5 (16.7)

unknown

3 (10.0)

  1. pCR pathological complete response; CRM circumferential resection margin