Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . Low lung volumes limits evaluation . Allowing for this , there is no focal consolidation , effusion , or pneumothorax . Heart size is mildly enlarged though stable . Aorta is somewhat unfolded . Bony structures appear intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
Mild cardiomegaly , unchanged . Otherwise , unremarkable study . Specifically , no evidence of pneumonia .