The TTF-1 and Napsin A Trap: Metastatic Endometrial Carcinoma Masquerading as Lung Primary

Carmen Alfonso-Rosa, Jesús Machuca-Aguado, Ana María Montaña-Ramírez, Francisco Javier Rubio-Garrido, Pathology Department, Virgen Macarena University Hospital

International Journal of Surgical Pathology

Published online on December 11, 2025