Hello,
My mother had her LAR surgery last week for her rectal cancer. The doctor was absolutely esctatic with how the surgery went and said it couldn’t have gone better. Her original staging was T3 N0/1, some lymph nodes looked enlarged on her MRI but they couldn’t tell if it was cancer or just enlarged lymph nodes. Her pathology just got posted on her portal, and I’m confused as to what all of it means. Does anywhere here indicate clear margins? He called and said that the margins were clear but I just want to read it for myself, haha. The medical terminology is so confusing. I’ll post her pathology below and if anyone has any insight on if this pathology is great, good, bad, etc please let me know
INVASIVE CARCINOMA
LEVEL OF INVASION OF MUSCULARIS PROPRIA: 1 (INNER 1/3)
(level 1: inner 1/3, 2: mid 1/3; 3: outer 1/3)
HISTOLOGIC TYPE: ADENOCARCINOMA
HISTOLOGIC GRADE: 2/4
MUCINOUS TUMOR COMPONENT: 0%
PERICOLORECTAL TISSUE: NOT INVOLVED
MACROSCOPIC TUMOR PERFORATION: NOT SEEN
TUMOR SITE: RECTUM
TUMOR SIZE: 1 CM ON SLIDE B5
SPECIMEN TYPE: RECTOSIGMOID
SPECIMEN LENGTH: 20 CM
TUMOR DEPOSIT(S) IN PERICOLIC FAT: NOT PRESENT
MACROSCOPIC INTACTNESS OF MESORECTUM: COMPLETE
TNM STAGE: ypT2, ypN0
TUMOR REGRESSION GRADE (TREATMENT EFFECT): 2
(grade 0, no viable tumor cells; 1, single or small groups; 2, outgrown by fibrosis; 3, minimal tumor kill)
LYMPH NODE(S) INCLUDED IN ALL PARTS: NUMBER INVOLVED : 0
NUMBER EXAMINED: 20
TUMOR BORDER CONFIGURATION: INFILTRATING
INTRATUMORAL LYMPHOCYTIC RESPONSE: NONE
PERITUMORAL LYMPHOCYTIC RESPONSE (CROHN-LIKE RESPONSE): NONE
LYMPHATIC (SMALL VESSEL) INVASION: NOT SEEN
EXTRAMURAL VENOUS INVASION: NOT SEEN
PERINEURAL INVASION: NOT SEEN
MMR BY IHC: NO IMMUNOHISTOCHEMICAL EVIDENCE OF DEFECTIVE DNA MISMATCH REPAIR FUNCTION WAS FOUND IN THIS TUMOR (PERFORMED ON PRIOR SPECIMEN SL17-20219)
DISTANCE OF TUMOR FROM RADIAL MARGIN: 30 MM
DISTANCE OF TUMOR FROM PROXIMAL MARGIN: AT LEAST 15 CM
DISTANCE OF TUMOR FROM DISTAL MARGIN: AT LEAST 3.5 CM