Review Article

Pathologic Assessment of Rectal Carcinoma after Neoadjuvant Radio(chemo)therapy: Prognostic Implications

Table 1

Assessment of the quality of mesorectal excision or completeness of resection.

CompleteNearly completeIncomplete

MesorectumIntact, smoothModerate bulk, irregularLittle bulk
DefectsNot deeper than 5 mmUnexposed muscularis propriaExposed muscularis propria
ConingNo coningModerateYes
CRMSmooth, regularIrregularIrregular

CRM, circumferential resection margin.
Both the whole fresh specimen and formalin-fixed slices are examined to achieve optimal assessment.