Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Increased elevation of the right hemidiaphragm noted with right basal compressive atelectasis . There is also mild left basal atelectasis . Previously noted right upper extremity access PICC line is been removed . Right hilum appears somewhat prominence likely due to crowding of bronchovascular markings . The heart appears top - normal in size . Mediastinal contour is unchanged . No pneumothorax or large effusion . Bony structures are grossly intact .
    OUTPUT:
    
Bibasilar atelectasis with elevated right hemidiaphragm . No convincing evidence for pneumonia .