Home > Cancer > Thoracic Surgery Get the Flash Player to see this player. Rate: (Click the stars to rate) Published on Jul 02, 2009 by MDamrich, Views: 4883 Sometimes people are found to have a "spot on the lung", which is commonly a tumor of the lung. If found on a chest xray, usually a CT scan is performed to look at the lung tumor better, and to see if there is spread to the lymph nodes. If a tumor is found to be lung cancer, many nodes would be removed during surgery. The usually surgery performed for cancer is a lung lobectomy.