BackgroundThe International Association for the Study of Lung Cancer (IASLC) proposed a novel grading system for invasive lung adenocarcinoma. but lymphatic invasion was not evaluated. Meanwhile. the scope of lymph node dissection in part-solid invasive lung adenocarcinoma (PSILA) is still controversial. https://www.jmannino.com/deal-alert-Sink-Front-Polymer-Tip-Out-Trays-with-Hinges-flash-find/