<unk> s most often are asymptomatic, with 50 to 75% of patients experiencing no symptoms. The presentation of symptomatic<unk> s depends on the<unk>  location and effects on nearby structures, including the heart, lungs, and esophagus. Symptoms can include chest pain, cough, shortness of breath, palpitations, syncope, recurrent pneumonia, congestive heart failure, difficulty swallowing, and weight loss.
Pericardial cyst
Cardiac myxoma
Annuloaortic ectasia
Crisscross heart
Overriding aorta
Cardiac fibroma
Pulmonary artery sling
Aortoesophageal fistula