Mesothelioma

Diffuse Pleural Mesothelioma

Microscopic descriptions:

- Tumor histology and immunohistochemical studies:

Epithelioid mesothelioma	+ Architecture	Tubulopapillary (%):
		Trabecular (%):
		Adenomatoid (%):
		Solid (%):
		Micropapillary (%):
		Other (specifiy) (%):
	+ Cytological features	Rhabdoid
		Deciduoid
		Small cell
		Clear cell
		Signet ring
		Lymphohistiocytoid
		Pleomorphic
		Other (specifiy):
	+ Stromal features:	Myxoid predominant
		Other (specifiy):

Sacromatoid mesothelioma	+ Cytological features	Lymphohistiocytoid
		Transitional
		Pleomorphic
		Other (specifiy):
	+ Stromal features:	Desmoplastic
		With heterologous differentiation
		Other (specifiy):

Biphasic mesothelioma	Sacromatoid pattern (%)
	Other (specify):
	Cannot be determined:

- Other histologic type not listed (specify):
- Cannot be determined (explain):

+ Histologic Grade:
	Nuclear Grade:
		Nuclear Atypia Score:
		Mitotic Count Score:
	Necrosis:

+ Lymphovascular invasion:
+ Perineural invasion:
+ Treatment effect:

- Tumor extension: No evidence of primary tumor Limited to parietal pleura without involvement of ipsilateral visceral, mediastinal, or diaphragmatic pleura Limited to parietal pleura with focal involvement of ipsilateral visceral, mediastinal, or diaphragmatic pleura All ipsilateral pleural surfaces (including fissure) Diaphragmatic muscle Lung parenchyma Endothoracic fascia Mediastinal fat Soft tissues of chest wall in a solitary focus Soft tissues of chest wall diffusely or in multiple foci Into but not through the pericardium Rib(s) Mediastinal organ(s) (specify): Other (specify): Cannot be assessed (explain):

Surgical margins:

Regional lymph 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): Other (specify): Cannot be determined:

Pathologic Stage Classification (AJCC 8e):

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

+ Additional pathologic findings:

Asbestos bodies Pleural plaque Pulmonary interstitial fibrosis Inflammation (specify type):

- Other (specify):

- Additional notes: