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Procedure

Wedge resection Segmentectomy Lobectomy Completion lobectomy Sleeve lobectomy Bilobectomy Pneumonectomy Major airway resection Other Not specified

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Specimen Laterality

Right Left Not specified

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Tumor Site (select all that apply)

Upper lobe Middle lobe Lower lobe Bronchus, main Bronchus intermedius Bronchus, lobar Other Not specified

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Synchronous tumors?

Absent Present

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Histologic Type

Adenocarcinoma in situ (AIS), nonmucinous Adenocarcinoma in situ (AIS), mucinous Minimally invasive adenocarcinoma, nonmucinous Minimally invasive adenocarcinoma, mucinous Invasive adenocarcinoma, lepidic predominant Invasive adenocarcinoma, acinar predominant Invasive adenocarcinoma, papillary predominant Invasive adenocarcinoma, micropapillary predominant Invasive adenocarcinoma, solid predominant Mixed invasive mucinous and nonmucinous adenocarcinoma Colloid adenocarcinoma Fetal adenocarcinoma Enteric adenocarcinoma Squamous cell carcinoma in situ (SCIS) Invasive squamous cell carcinoma, keratinizing Invasive squamous cell carcinoma, non-keratinizing Invasive squamous cell carcinoma, basaloid Small cell carcinoma Combined small cell carcinoma Large cell neuroendocrine carcinoma Combined large cell neuroendocrine carcinoma Typical carcinoid tumor Atypical carcinoid tumor Large cell carcinoma Adenosquamous carcinoma Pleomorphic carcinoma Spindle cell carcinoma Giant cell carcinoma Carcinosarcoma Pulmonary blastoma Lymphoepithelioma-like carcinoma NUT carcinoma Mucoepidermoid carcinoma Adenoid cystic carcinoma Epithelial-myoepithelial carcinoma Carcinoma, type cannot be determined Non-small cell carcinoma, subtype cannot be determined Other histologic type

Any lepidic component?

No Yes

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Tumor Focality

Single tumor Separate tumor nodules of same histopathologic type (intrapulmonary metastases) in same lobe Separate tumor nodules of same histopathologic type (intrapulmonary metastases) in different lobes Synchronous primary tumors in same lobe Synchronous primary tumors in different lobes Multifocal lung adenocarcinoma with lepidic features Diffuse pneumonic-type adenocarcinoma Cannot be determined

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+ Histologic Grade

G1: Well differentiated G2: Moderately differentiated G3: Poorly differentiated G4: Undifferentiated Other GX: Cannot be assessed Not applicable

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+ Spread Through Air Spaces

Not identified Present

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Visceral Pleura Invasion

Not identified Present Cannot be determined

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Lymphovascular Invasion

Not identified Present, Lymphatic Present, Arterial Present, Venous Cannot be determined

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Direct Invasion of Adjacent Structures

No adjacent structures present Adjacent structures present but not involved Main bronchus Hilar soft tissues Carina Parietal pleura Chest wall Phrenic nerve Parietal pericardium Diaphragm Mediastinum Heart Great vessels Trachea Recurrent laryngeal nerve Esophagus Vertebral body Other Cannot be assessed

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Margins

All margins uninvolved by carcinoma One or more margins involved by carcinoma

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Treatment Effect

No known presurgical therapy Greater than 10% residual viable tumor Less than or equal to 10% residual viable tumor Cannot be determined

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Regional Lymph Nodes

Check here if any lymph nodes submitted?

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Pathologic Staging (pTNM)

TNM Descriptors (select all that apply)

Not applicable m r y

pT pT definitions

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pT definitions

pTX: Primary tumor 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 (SCIS): Squamous cell carcinoma in situ (SCIS) pTis (AIS): Adenocarcinoma in situ (AIS): adenocarcinoma with pure lepidic pattern, ≤3 cm in greatest dimension pT1mi: Minimally invasive adenocarcinoma: adenocarcinoma (≤3 cm in greatest dimension) with a predominantly lepidic pattern and ≤5 mm invasion in greatest dimension (See note C) pT1a: Tumor ≤1 cm or less in greatest dimension pT1b: Tumor >1 cm, but ≤2 cm in greatest dimension pT1c: Tumor >2 cm but ≤3 cm in greatest dimension pT2: Tumor involves main bronchus branch (but not carina) OR associated with lobar obstructive changes to the hilum pT2a: Tumor >3 cm, but ≤4 cm in greatest dimension pT2b: Tumor >4 cm, but ≤5 cm in greatest dimension pT3: Tumor >5 cm but ≤7 cm in greatest dimension; or with direct invasion pT4: Tumor >7 cm in greatest dimension; or tumor of any with direct invasion

pN

pNX: Regional lymph nodes cannot be assessed pN0: No regional lymph node metastasis 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)

pM

pMx: Not applicable pM1a: Separate tumor nodule(s) in contralateral lobe; tumor with pleural or pericardial nodules or malignant pleural (or pericardial) effusion# pM1b: Single extrathoracic metastasis in a single organ (including involvement of a single nonregional lymph node) pM1c: Multiple extrathoracic metastases in single organ or in multiple organs

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+ Additional Pathologic Findings (select all that apply)

None identified Atypical adenomatous hyperplasia Squamous dysplasia Metaplasia, specify Diffuse neuroendocrine hyperplasia Chronic inflammation Acute inflammation Acute and chronic inflammation Emphysema Other