Cheerio Sign: Pulmonary Langerhans Cell Histiocytosis Alejandro García García; Jorge Mora Pinilla; Beatriz Raboso Moreno; María Teresa Río Ramírez; Araceli Abad Fernández;

Pleuroparenchymal fibroelastosis related to Still disease: a case report Cristina Matesanz López; Melchor Saiz-Pardo Sanz; Irene Martín Lores;

Endobronchial Ultrasound: Detection of Lung Adenocarcinoma and Unmasking of Superior Vena Cava Thrombosis. An Exceptional Case Fernando Garcia-Prieto; Adriana Rodríguez Perojo; María Teresa Río Ramírez;