Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The chest radiograph is limited by suboptimal patient positioning and rotation . Lungs are hyperinflated with heterogeneous bibasilar opacities , right greater than left . There is no pleural effusion or pneumothorax . Mild cardiomegaly is noted with numerous mediastinal surgical clips and intact sternal wires . Linear opacities projecting over the left lung are likely due to underlying scarring with suspected deformities of the anterior ribs as well , potentially due to remote prior trauma or surgery .
    OUTPUT:
    
Mild cardiomegaly with heterogeneous bibasilar opacities which may represent atelectasis or developing infection . No pleural effusion .