Procedure: Sigmoid colectomy.
Tumor site (anatomic location): upper sigmoid.
Tumor focality: Single
Tumor size (largest dimension): 30 mm
Histologic type: adenocarcinoma, gland forming.
Histologic grade: Moderately differentiated (G2).
Depth of invasion: 10 mm
Anatomic extent:
Margins:
Lymphovascular invasion (LVI): Not identified.
Perineural invasion (PNI): Not identified.
Tumor deposits: Absent.
Tumor budding: intermediate.
Regional lymph nodes:
Residual tumor at primary site (R status): R0
pTNM stage: pT3N0Mx
Upper sigmoid mass.
Part of sigmoid colon: intestinal segment measured 12 cm long, with attached mesenteric fat measuring 8x3 cm. Opening revealed illdefined mass measuring 3x2x1 cm, having solid firm greyish white cut section. The mass was located 5 cm and 4 cm from proximal and distal mucosal margins, respectively. Dissected lymph nodes are variable sized largest is 0.6 cm.