315 / 1241
A.
B.
C.
D.
E.
27%
17% 17%
7%
33%
With respect to the following regarding
MRI of rectal cancer, which is correct?
A. MRI tumour regression grading
(TRG) has prognostic value
B. MRI TRG 4 is a good response to
therapy
C. The presence of rectal wall
diffusion signal is indicative of
residual tumour
D. Colonoscopic confirmation is not
required if MRI indicates
complete response
E. Fibrosis demonstrates high T2
signal