GROSS DESCRIPTION:
Specimen A - Received in formalin labeled sigmoid 40 cm are four 0.2 cm tan mucosal
fragments which are entirely submitted in cassette A.
Specimen B - Received in formalin labeled sigmoid 20 cm is an irregular 1.5 x 1.0 x 1.0
cm tan/red polypoid mucosal fragment which is bisected and entirely submitted in
cassette B.
MICROSCOPIC DESCRIPTION:
40 cm - Irregular glands within desmoplastic stroma, consistent with invasive
adenocarcinoma.
FINAL DIAGNOSIS:
Colon, sigmoid, 40 cm, biopsy - Moderately differentiated adenocarcinoma.
Colon, sigmoid, 20 cm, biopsy - Tubular adenoma.