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Table 3 MRI outcomes

From: MRI response rate after short-course radiotherapy on rectal cancer in the elderly comorbid patient: results from a retrospective cohort study

 

MRI pre-treatment (n = 33)

MRI post-treatment (n = 33)

 

p-value

cT stage

< 0.001

 T0

0

4 (12.1)

  

 T1

0

0

  

 T2

5 (15.2)

9 (27.3)

  

 T3A/B

11 (33.3)

8 (24.2)

  

 T3C/D

7 (21.2)

4 (12.1)

  

 T4A

6 (18.2)

5 (15.2)

  

 T4B

4 (12.1)

3 (9.1)

  

cN stage

   

< 0.001

 N0

10 (30.3)

25 (75.8)

  

 N1

12 (36.4)

5 (15.2)

  

 N2

11 (33.3)

3 (9.1)

  

MRF involvement

   

0.12

 Yes

17 (51.5)

13 (39.4)

  

 No

16 (48.5)

20 (60.6)

  

mrTRG

 Grade 1

 

4 (12.1)

  

 Grade 2

 

5 (15.2)

  

 Grade 3

 

15 (45.5)

  

 Grade 4

 

8 (24.2)

  

 Grade 5

 

1 (3.0)

  
  1. Data are n (%) if not otherwise specified
  2. cT Clinical tumor stage, cN Clinical nodal stage, MRF Mesorectal fascia, mrTRG Magnetic resonance tumour regression grade