Lower GI 2017

“Colloid Response” – Acellular Mucin Pools after Radiotherapy

• prevalence : 16 % – 27 % of all pCR • may be present in lymph nodes as well as bowel wall • positive association with: mucinous ca / signet ring ca in pre-op bx ( approx. 10% ) male gender • most studies show NO impact on disease recurrence or survival