MRI
Sagittal T2
Axial T2
Coronal T2
Axial ADC
Length of tumour: 3 cm
Distance from distal edge of tumour to anorectal junction: 3 cm
Distance from distal edge of tumour to anal verge: 6 cm
Tumour relationship to peritoneal reflection: below
Tumour morphology: semi-annular
Invasive margins (clock face terminology): 11 to 1 o'clock
T stage (and which organs involved if T4b): T1/2 with no penetration of muscularis propria
Depth of tumour invasion (less or greater than 5 mm): less than 5 mm
Shortest distance to mesorectal fascia or levator muscle: 3 mm
Extramural venous invasion: none
Tumour deposits: none
Mesorectal lymph nodes: yes, 3
Extramesorectal lymph nodes: none
For low cancers, involvement of anal sphincter muscles or intersphincteric fat: N/A
Summary: Anterior mid rectal cancer, confined to rectal wall. Stage T1/2 N1 V0, CRM clear.
There is an incidental round structure arising from base of the prostate, situated between the seminal vesicles. It is high signal on T2 weighted images and is an ejaculatory duct cyst.