957 / 1311
T1 tumour signal in
submucosa but no
tumour extending into
circular layer of
muscularis propria
T2 intermediate
signal into muscularis
propria but no
tumour seen in
perirectal fat
T3 broad-based
mass or nodular
projection into
perirectal fat
T4 tumour extending
into adjacent organs
or through peritoneal
reflection