---

Procedure

Simple cholecystectomy Radical cholecystectomy Other Not specified

---

Tumor Site

Fundus Body Neck Cystic duct Other Cannot be determined Not specified

---

Tumor Size (cm)

---

Histologic Type

Adenocarcinoma, intestinal type Adenocarcinoma, biliary type Mucinous adenocarcinoma Clear cell adenocarcinoma Signet-ring cell carcinoma Adenosquamous carcinoma Mucinous cystic neoplasm with an associated invasive carcinoma Squamous cell carcinoma Undifferentiated carcinoma Mixed neuroendocrine-non-neuroendocrine tumor carcinoma Large cell neuroendocrine carcinoma Small cell neuroendocrine carcinoma Other histologic type Carcinoma, type cannot be determined

---

Histologic Grade A word about grading

×

A word about grading

G1: Well differentiated G2: Moderately differentiated G3: Poorly differentiated Other GX: Cannot be assessed Not applicable

---

Tumor Extension

No evidence of primary tumor Tumor invades lamina propria Tumor invades muscular layer Tumor invades perimuscular connective tissue on the peritoneal side without serosal involvement Tumor invades perimuscular connective tissue on the hepatic side without liver involvement Tumor perforates serosa (visceral peritoneum) Tumor directly invades the liver Tumor directly invades other adjacent organs or structures Cannot be assessed

---

Margins

---

+ Lymphovascular Invasion

Not identified Present Cannot be determined

---

+ Perineural Invasion

Not identified Present Cannot be determined

---

Regional Lymph Nodes

Check here if any lymph nodes submitted?

---

Pathologic Staging (pTNM)

TNM Descriptors (select all that apply)

Not applicable m r y

pT

pTX: Primary tumor cannot be assessed pT0: No evidence of primary tumor pTis: Carcinoma in situ pT1a: Tumor invades the lamina propria pT1b: Tumor invades the muscular layer pT2a: Tumor invades perimuscular connective tissue on the peritoneal side, without involvement of the serosa (visceral peritoneum) pT2b: Tumor invades the perimuscular connective tissue on the hepatic side, with no extension into the liver pT3: Tumor perforates the serosa (visceral peritoneum) and/or directly invades the liver and/or one other adjacent structure pT4: Tumor invades main portal vein or hepatic artery or invades two or more extrahepatic structures

pN

pNX: Regional lymph nodes cannot be assessed pN0: No regional lymph node metastasis pN1: Metastases to one to three regional lymph nodes pN2: Metastases to four or more regional lymph nodes

pM

pMx: Not applicable pM1: Distant metastasis

---

+ Additional Pathologic Findings

None identified Dysplasia/adenoma Cholelithiasis Chronic cholecystitis Acute cholecystitis Intestinal metaplasia Diffuse calcification (porcelain gallbladder) Primary sclerosing cholangitis Other