Cardiac Metastasis From Lung Adenocarcinoma Causing Atrioventricular Block and Left Ventricular Outflow Tract Obstruction

Cardiac metastasis from lung cancer is rarely diagnosed antemortem, as it usually causes no symptoms or signs. We report the case of a 56-year-old man with recurrent lung adenocarcinoma in whom developed a large mass in the ventricular septum, complete atrioventricular block, and obstruction of the left ventricular outflow tract.