Lung Resection Specimen: Lung Lobe(s) of lung (specify): Bronchus (specify): Other (specify): Not specified Procedure Type: Major airway resection Wedge resection Segmentectomy Lobectomy Bilobectomy Pneumonectomy Other (specify): Not specified Specimen Integrity: Intact Disrupted Indeterminate Specimen Laterality: Right Left Not specified Tumor Site: Upper lobe Middle lobe Lower lobe Other(s) (specify): Not specified Tumor Size: Greatest dimension (cm): Additional dimensions (cm): Cannot be determined Tumor Focality: Unifocal Separate tumor nodules in same lobe Separate tumor nodules in different lobes (specify sites): Synchronous carcinomas (specify sites): Cannot be determined Histologic Type: Carcinoma, type cannot be determined Non-small cell carcinoma, subtype cannot be determined Small cell carcinoma Combined small cell carcinoma (small cell carcinoma and non-small cell component) (specify type of non-small cell carcinoma component: ) Squamous cell carcinoma Squamous cell carcinoma, papillary variant Squamous cell carcinoma, clear cell variant Squamous cell carcinoma, small cell variant Squamous cell carcinoma, basaloid variant Adenocarcinoma Adenocarcinoma, mixed subtype Acinar adenocarcinoma Papillary adenocarcinoma Bronchioloalveolar carcinoma Bronchioloalveolar carcinoma, nonmucinous Bronchioloalveolar carcinoma, mucinous Bronchioloalveolar carcinoma, mixed nonmucinous and mucinous Solid adenocarcinoma Fetal adenocarcinoma Mucinous (colloid) adenocarcinoma Mucinous cystadenocarcinoma Signet ring adenocarcinoma Clear cell adenocarcinoma Large cell carcinoma Large cell neuroendocrine carcinoma Combined large cell neuroendocrine carcinoma (specify type of other non-small cell carcinoma component: ) Basaloid carcinoma Lymphoepithelioma-like carcinoma Clear cell carcinoma Large cell carcinoma with rhabdoid phenotype Adenosquamous carcinoma Sarcomatoid carcinoma Pleomorphic carcinoma Spindle cell carcinoma Giant cell carcinoma Carcinosarcoma Pulmonary blastoma Typical carcinoid tumor Atypical carcinoid tumor Mucoepidermoid carcinoma Adenoid cystic carcinoma Epithelial-myoepithelial carcinoma Other (specify): Histologic Grade: Not applicable GX: Cannot be assessed G1: Well differentiated G2: Moderately differentiated G3: Poorly differentiated G4: Undifferentiated Other (specify): Visceral Pleura Invasion: Not identified Present Indeterminate Tumor Extension: Not applicable Not identified Superficial spreading tumor with invasive component limited to bronchial wall Tumor involves main bronchus 2 cm or more distal to the carina Parietal pleura Chest wall: Specify involved structure(s): Diaphragm Mediastinal pleura Phrenic nerve Parietal pericardium Tumor in the main bronchus less than 2 cm distal to the carina but does not involve the carina Mediastinum: Specify involved structure(s): Heart Great vessels Trachea Esophagus Vertebral body Carina Other (specify): Margins: Bronchial Margin: Not applicable Cannot be assessed Uninvolved by invasive carcinoma Involved by invasive carcinoma Squamous cell carcinoma in situ (CIS) present at bronchial margin Squamous cell carcinoma in situ (CIS) not identified at bronchial margin Vascular Margin: Not applicable Cannot be assessed Uninvolved by invasive carcinoma Involved by invasive carcinoma Parenchymal Margin: Not applicable Cannot be assessed Uninvolved by invasive carcinoma Involved by invasive carcinoma Parietal Pleural Margin: Not applicable Cannot be assessed Uninvolved by invasive carcinoma Involved by invasive carcinoma Chest Wall Margin: Not applicable Cannot be assessed Uninvolved by invasive carcinoma Involved by invasive carcinoma Other Attached Tissue: Other Attached Tissue Margin: Not applicable Cannot be assessed Uninvolved by invasive carcinoma Involved by invasive carcinoma If all margins uninvolved by invasive carcinoma:Distance of invasive carcinoma from closest margin: Treatment Effect: Not applicable Cannot be determined Greater than 10% residual viable tumor Less than 10% residual viable tumor Tumor Associated Atelectasis or Obstructive Pneumonitis: Extends to the hilar region but does not involve entire lung Involves entire lung Lymph-Vascular Invasion: Not identified Present Indeterminate Lymph Nodes: Extranodal extension: Not identified Present Pathologic Staging (pTNM): TNM Descriptorsm (multiple primary tumors) r (recurrent) y (post-treatment) Primary Tumor (pT): pTX: Cannot be assessed, or tumor proven by presence of malignant cells in sputum or bronchial washings but not visualized by imaging or bronchoscopy pT0: No evidence of primary tumor pTis: Carcinoma in situ pT1a: Tumor 2 cm or less in greatest dimension, surrounded by lung or visceral pleura, without bronchoscopic evidence of invasion more proximal than the lobar bronchus (ie, not in the main bronchus); or superficial spreading tumor of any size with its invasive component limited to the bronchial wall, which may extend proximally to the main bronchus pT1b: Tumor greater than 2 cm, but 3 cm or less in greatest dimension, surrounded by lung or visceral pleura, without bronchoscopic evidence of invasion more proximal than the lobar bronchus (ie, not in the main bronchus) pT2a: Tumor greater than 3 cm, but 5 cm or less in greatest dimension surrounded by lung or visceral pleura, without bronchoscopic evidence of invasion more proximal than the lobar bronchus (ie, not in the main bronchus); or tumor 5 cm or less in greatest dimension with any of the following features of extent: involves main bronchus, 2 cm or more distal to the carina; invades the visceral pleura; associated with atelectasis or obstructive pneumonitis that extends to the hilar region but does not involve the entire lung pT2b: Tumor greater than 5 cm, but 7 cm or less in greatest dimension pT3: Tumor greater than 7 cm in greatest dimension; or tumor of any size that directly invades any of the following: chest wall (including superior sulcus tumors), diaphragm, phrenic nerve, mediastinal pleura, parietal pericardium; or tumor of any size in the main bronchus less than 2 cm distal to the carina but without involvement of the carina; or tumor of any size associated with atelectasis or obstructive pneumonitis of the entire lung; or tumors of any size with separate tumor nodule(s) in same lobe pT4: Tumor of any size that invades any of the following: mediastinum, heart, great vessels, trachea, recurrent laryngeal nerve, esophagus, vertebral body, carina; or tumor of any size with separate tumor nodule(s) in a different lobe of ipsilateral lung Regional Lymph Nodes (pN): pNX: Cannot be assessed pN0: No regional lymph node metastasis ( 0 / ) pN1: Metastasis in ipsilateral peribronchial and/or ipsilateral hilar lymph nodes, and intrapulmonary nodes, including involvement by direct extension ( / ) pN2: Metastasis in ipsilateral mediastinal and/or subcarinal lymph node(s) ( / ) pN3: Metastasis in contralateral mediastinal, contralateral hilar, ipsilateral or contralateral scalene, or supraclavicular lymph node(s) ( / ) Involved nodal station(s): Distant Metastasis (pM): Not applicable pM1a: Separate tumor nodule(s) in contralateral lung; tumor with pleural nodules or malignant pleural (or pericardial) effusion pM1b: Distant metastases outside the lung/pleura Additional Pathologic Findings: None identified Atypical adenomatous hyperplasia Squamous dysplasia Metaplasia (specify type): Diffuse neuroendocrine hyperplasia Inflammation (specify type): Emphysema Other (specify): Ancillary Studies: Epidermal growth factor receptor (EGFR) analysis results: specify method KRAS mutational analysis: Other (specify): Comment(s):