Carcinosarcoma: A Rare Lung Tumor Ana María Andrés Blanco; Milko Terranova Ríos; Alvaro Pérez Rodríguez;

Superior Vena Cava Syndrome and Tracheal Compression Due to Complicated Thymic Cyst Sergio Cerrato Delgado; Mireia Rusca Giménez; Dionisio Espinosa Jimenez;