Fig. 3
From: Stage IV pleomorphic carcinoma of the lung without recurrence for 6 years: a case report
Pathologic findings in a 48-year-old man with pleomorphic carcinoma. Evaluation of specimens from both a the right upper lobe of the lung and c the jejunum shows atypical spindle cells with irregular and hyperchromatic nuclei with invasive proliferation and interlacing patterns of arrangement. b Epithelioid cells with tubular differentiation were also noted in the lung specimen (stained with hematoxylin and eosin, ×400)