Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes elevation of the right hemidiaphragm persist . The cardiac and mediastinal silhouettes are stable . Patchy left base retrocardiac opacity is most likely due to atelectasis in appears similar to prior studies , however , the poor but clinical setting , difficult to entirely exclude infectious process . No pneumothorax seen . The lateral view is suboptimal due to underpenetration . No large pleural effusion is seen .
    OUTPUT:
    
Low lung volumes and persistent elevation of the right hemidiaphragm with Morgani hernia . Patchy left base opacity most likely due to atelectasis although in the appropriate clinical setting infection is not excluded .