Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is marked enlargement of the cardiac silhouette . Lungs are clear without pleural effusion or focal consolidation . Mediastinal and hilar contours are normal . On this single AP view , displacement of the left femoral head inferiorly and medially likely indicates anterior shoulder dislocation .
    OUTPUT:
    
1 . Inferomedial displacement of the left femoral head indicates anterior shoulder dislocation , given the patient 's history . 2 . Marked could enlargement of the cardiac silhouette may be due to underlying cardiomyopathy . Underlying pericardial effusion not excluded .