Lung adenocarcinoma can progress from an indolent in situ carcinoma to an invasive, aggressive, metastatic tumor. The WHO/IASLC/ATS Lung adenocarcinoma classification emphasizes the distinction of adenocarcinoma in situ (AIS) and minimally invasive adenocarcinoma from their invasive counterparts.  Molecular biomarkers of invasion can distinguish invasive from non-invasive tumors, a distinction that is typically difficult to make in small biopsies and cytology specimens and is becoming increasingly important as the recognition of early stage adenocarcinoma increases with the widespread implementation of lung cancer screening programs in the United States. Read more.

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East Central Park View from Powell Lab