Gamuts
Indistinct heart border on frontal chest radiograph
May Be Caused by
Common
Asbestosis
Atelectasis
Lipoma
Lymphoma
Mediastinal fibrosis
Mediastinitis
Pericardial cyst
Pericardial fat pad
Pleural fluid
Pleuropericardial adhesion
Pneumoconiosis
Postinfarction myocardial scar
Pulmonary edema
Pulmonary opacity
Teratoma
Thymic cyst
Thymolipoma
Thymoma
Uncommon
Constrictive pericarditis
Funnel breast
Morgagni hernia
Pectus excavatum
Scimitar syndrome