Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is rotated to the left . Right - sided large - bore central venous catheter likely terminates in the right atrium . The patient is status post median sternotomy . There is obscuration of the left hemidiaphragm and left base opacity seen which may be due to atelectasis however , underlying consolidation or small pleural effusion is difficult to entirely excluded . There is mild left mid lung atelectasis / scarring . No pneumothorax is seen . The cardiac silhouette is top - normal . No overt pulmonary edema .
    OUTPUT:
    
The patient is rotated to the left . Left base opacity and obscuration of the hemidiaphragm may be due to atelectasis and small pleural effusion , consolidation is difficult to exclude . There is evidence of bowel signature over the inferior left hemithorax , superior to the level of the right hemidiaphragm and the left hemidiaphragm may be elevated or there may be a hiatal hernia .