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“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