Netherlands Comprehensive Cancer Organisation

Evidence for non-mucinous pulmonary lesions with adenocarcinoma in situ morphology exceeding the current 3 cm WHO threshold

CONTEXT: The World Health Organization (WHO) recognizes adenocarcinoma in situ (AIS) of the lung for tumors up to 3 cm in size. Larger tumors with a lepidic growth pattern are classified as invasive lepidic predominant adenocarcinoma. OBJECTIVE: The aim of this study was to demon...