It's partly clogging the airways (and isn't greater than five cm). The cancer has spread to lymph nodes near the collarbone on possibly facet of the body, and/or has spread to hilar or mediastinal lymph nodes on one other facet of the body from the key tumor (N3). The https://ez-bookmarking.com/story14890917/top-latest-five-lung-cancer-tumor-markers-urban-news