Primary pulmonary plasmacytoma accompanied by overlap syndrome: A case report and review of the literature

Figure 1 Computed tomography scan of the chest revealed an irregular mass (orange arrows) located in the middle and inferior lobe of right lung. A: Chest computed tomography image displayed at lung window showing a mass in the middle and inferior lobe of right lung, which caused bronchial obstruction of the lateral segment of the right middle lobe and the right lower lobe; B: Chest computed tomography image displayed at mediastinal window on a plain scan showing that the mass was lobulated, inhomogeneous, and accompanied by spotted calcification; C: Enhanced scanning in the artery phase showed that the mass displayed moderate ununiform reinforcement with multiple tiny blood vessels.