Figure 1: a) Macroscopic picture of lung mass showing externally irregular elevated area with intact pleura (arrow); b) Grossly cut surface of lung mass shows well defined growth (short arrow) in left lower lobe having grey white firm cut surface. Adjacent dilated bronchiole also shows presence of tumor (long arrow); c) Axial section of lung window shows lobular mass lesion (arrow) in superior segment of lower lobe of left lung; d) Corresponding axial sections of mediastinal window shows soft tissue mass lesion (arrow) in lower lobe of left lung