Histopathology report

• type of specimen - biopsy/pleurectomy/extrapleural pneumonectomy.

• tumour site - visceral/parietal/parenchymal.

• tumour size - length x width x depth or maximum dimension (cm).

• tumour appearance - localized/diffuse/nodular/plaque/infiltrative/cystic change.

• tumour histological type - malignant mesothelioma-biphasic, epithelioid, sarcomatoid.

• extent of local tumour spread.

- pT1 tumour limited to ipsilateral parietal and/or visceral pleura.

- pT2 tumour invades any of: ipsilateral lung, diaphragm, confluent visceral pleura.

- pT3 tumour invades any of: endothoracic fascia, mediastinal fat, focal chest wall, non-

transmural pericardium.

- pT4 tumour directly extends to any of :contralateral pleura, peritoneum, rib, extensive chest wall, mediastinum, myocardium, brachial plexus, spine, inner pericardium, malignant pericardial effusion.

• lymphovascular invasion - present/not present.

• regional lymph nodes - intrathoracic, internal mammary, scalene, supraclavicular.

- pN0 no regional lymph node metastases.

- pN1 metastasis in ipsilateral bronchopulmonary and/or hilar lymph nodes.

- pN2 metastasis in ipsilateral internal mammary, mediastinal and/or subcarinal lymph nodes.

- pN3 metastasis in contralateral mediastinal, contralateral internal mammary or hilar, ipsilateral or contralateral scalene or supraclavicular lymph nodes.

• excision margins - distance (mm) to the nearest inked margin of local resection of limited disease.

• other pathology - pleural plaques, asbestosis, bronchogenic carcinoma, fibrosis, emphysema.

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