Fig. 3From: Benign metastasizing leiomyoma presenting as multiple cystic pulmonary nodules: a case reportImmuno-histochemical staining sections of the pulmonary nodule. Positive immunoreactivity for TTF-1 (a), EMA (b), SMA (c), desmin (d), ER (e), PR (f), HMB45 (g), and S100 (h) was observed. TTF-1: Thyroid transcription factor-1, EMA: Epithelial membrane antigen, SMA: Smooth muscle actin, ER: Estrogen receptor, PR: Progesterone receptorBack to article page