From: MRI response rate after short-course radiotherapy on rectal cancer in the elderly comorbid patient: results from a retrospective cohort study
Number of patients
Pathologic stage
Restaging MRI
ypT0
ypT1
ypT2
ypT3
ypT4
cT0
3
0
1
2
cT1
–
cT2
8
cT3
9
6
cT4
5