Synchronous multiple lung cancers with hilar lymph node metastasis of small cell carcinoma: A case report

Figure 2 Chest computed tomography findings. A: Chest computed tomography (CT) using the lung window showing slightly increased density in the periphery (black arrow); B: Primary lesion detected using the lung window. An irregularly shaped mass measuring 25 mm is observed in the right upper pulmonary lobe (black arrow); C: Chest CT using the mediastinal window revealing enlarged lymph nodes in the right hilar region (white arrow).