No residual tumor is identified Tumor is in situ Tumor is limited to pulmonary parenchyma Tumor invades the visceral pleura Tumor invades the parietal pleura Tumor invades intercostal muscle Tumor invades rib Tumor invades intercostal muscle and rib
No residual tumor is identified Tumor is in situ Invasive component limited to the bronchial wall Tumor involves main bronchus but not the carina Tumor extends to the carina
Site(s):
Multiple Primary Tumors (m) Recurrent Tumor (r) Post-treatment Staging (y)
Atypical adenomatous hyperplasia Diffuse neuroendocrine hyperplasia Low-grade squamous dysplasia High-grade squamous dysplasia Emphysematous changes Focal chronic inflammation Focal acute inflammation
Original H&Es and deeper sections are examined. TTF-1 stain utilized in evaluation. Napsin-A stain utilized in evaluation. CK5/6 stain utilized in evaluation. p63 stain utilized in evaluation. Pankeratin stain utilized in evaluation. CK7 stain utilized in evaluation. CK20 stain utilized in evaluation. Chromogranin staining utilized in evaluation. Synaptophysin stain utilized in evaluation. Case reviewed in departmental conference. Appropriate control staining is verified.