Carcinoma of the Perihilar Bile Ducts

Carcinoma of the Perihilar Bile Ducts click to access explanations in the original CAP template

- Tumor histology and immunohistochemical studies:

- Histologic type (WHO 2019):
- Histologic grade:
- Lymphovascular invasion:
- Perineural invasion:

- Tumor extension: No invasion (carcinoma in situ/high-grade dysplasia) Tumor confined to the bile duct histologically Tumor invades beyond the wall of the bile duct into surrounding connective tissue Tumor invades the adjacent liver parenchyma Tumor invades gallbladder Tumor directly invades adjacent organs other than the gallbladder, specify: Tumor invades the pancreas Tumor invades the pancreas, involves posterior surface of pancreas Tumor invades the pancreas, involves anterior surface of pancreas Tumor invades the pancreas, involves vascular bed/groove (corresponding to superior mesenteric vein/portal vein) Tumor invades gallbladder Tumor directly invades adjacent organs other than the gallbladder, specify: Cannot be assessed No evidence of primary tumor

Surgical margins of segmental excision:

- Proximal margin:
- Distal margin:
- Radial margin:
- Other margin(s), specify :

Surgical margins of hilar resection and partial hepatectomy:

- Bile duct margin:
- Hepatic parenchymal margin:
- Radial margin:
- Other margin(s), specify :

Surgical margins of total hepatectomy:

- Bile duct margin:
- Radial margin:
- Other margin(s), specify :

Regional ymph nodes:

- Number of regional lymph nodes examined:
- Number of lymph nodes involved (specify locations):
- Extranodal extension:
- Size of largest metastatic deposit (mm), specify site:
- Size of largest lymph node involved (mm), specify site:

Distant Metastasis: Not applicable Not identified Non-regional lymph node(s) (specify): Liver (specify): Other (specify): Cannot be determined:

Pathologic Stage Classification (AJCC 8e):

- TNM Descriptors:	m (multiple primary tumors) r (recurrent) y (post treatment)
- Primary tumor (pT):
- Regional lymph nodes (pN):
- Distant metastasis (pM):

+ Additional pathologic findings:

Choledochal cyst Dysplasia Primary sclerosing cholangitis Biliary stones

- Other (specify):

- Additional notes: