Lung Cancer Invading a Coronary Artery Bypass Graft and Presenting as Refractory Atrial Flutter Luis Gorospe, Ana María Ayala-Carbonero, Odile Ajuria-Illarramendi, Alberto Cabañero-Sánchez

Successful Surgical Treatment of a Giant Pulmonary Vein Ewing's Sarcoma Invading Left Atrium F. Javier González-García, José Joaquín Domínguez del Castillo, Ángel Salvatierra Velázquez

BiPAP as a Possible Treatment in Patients With Diaphragmatic Flutter Stephany Ivonne Briones Alvarado, Daniel Eduardo López Padilla, Francisco José Caballero Segura