Figure 5
From: Atypical presentation of carcinoid tumor with unresolved right shoulder pain: a case report

Stained histological biopsy tissue specimens from right lower-lobe pulmonary nodule. A: Core biopsy tissue of the right lower-lobe pulmonary nodule shows non-small-cell lung cancer features (original magnification, 400×). B: Core biopsy tissue of the right lower-lobe pulmonary nodule also shows small-cell carcinoma features (original magnification, 400×).