Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are provided . Lung volumes are quite low , though there is no definite consolidation , effusion or pneumothorax . There is mild bibasilar atelectasis . The heart size is top normal though difficult to further assess . The mediastinal contour is unremarkable . There is no free air seen below the right hemidiaphragm . The bony structures are intact .
    OUTPUT:
    
Mild bibasilar atelectasis . Cardiomegaly . Limited study though otherwise unremarkable .