編號	器官	診斷
2156	Lung	Bronchioloalveolar carcinoma

	Figure 1) Bronchioloalveolar carcinoma with maintenance of the alveolar structures (arrow).
	Figure 2) Bronchioloalveolar carcinoma with tumor cells replacing the original pneumocytes (arrow). The alveolar septae are thickened and have mild chronic inflammatory cell infiltration (arrowhead).
	(Figure 3) Bronchioloalveolar carcinoma with tumor cells (arrow) lining the thick alveolar septae.
	(Figure 4) Bronchioloalveolar carcinoma with alveolar structures lined by single layer of tumor cells. The tumor cells are cuboid to columnar in shape and have scanty eosinophilic cytoplasm (arrow).