Fig. 3
From: Typical carcinoid in right middle lobe of pulmonary hypoplasia
a Macroscopic findings of a formalin-inflated resection specimen. Macroscopic findings showed a 2.8 × 1.3 × 1.1-cm-dia. tumor in the right middle lobe. Tumor extent is indicated by arrows. b The histopathological examination revealed that the tumor was composed of a proliferation of atypical cells with round or oval nuclei and stippled chromatin without mitosis or necrosis