It has spread to structures inside the chest other than the lung (spinal bones, heart, esophagus, large blood vessels).Two or more separate tumors in the same lobe.Cancer cells in the space surrounding the lungs.Lung Cancer Lymph Node (N) Stages Stage NO???The cancer has not spread to the lymph nodes.Stage N1???The cancer has spread to lymph nodes in the lung or the area where the bronchus meets t