Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is obscuration of the left hemidiaphragm which was also present on the prior study , appears chronic and may relate to atelectasis or epicardial fat pad . No definite focal consolidation is seen . There is no large pleural effusion or pneumothorax . The cardiac silhouette is top - normal . Mediastinal contours are grossly unremarkable .
    OUTPUT:
    
Obscuration of the left hemidiaphragm appears chronic and was also seen on the prior study from ___ . Dedicated PA and lateral views would be helpful for further evaluation , if patient able . Otherwise , no acute cardiopulmonary process seen .