Lower GI 2017

CASE

DW-MRI Lesion at the anorectal verge, posteriorly and laterally located (left side) Close proximity of the internal anal sphincter without invasion of the external sphincter Necrotic, partly confluent nodes with extracapsular extension around the right internal iliac vessels

18 F-FDG PET/CT Hypermetabolic lesion in the anal canal Hypermetabolic nodes at the right internal iliac vessels No hematogenous metastases