Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is rotated . Low lung volumes exaggerate the mediastinal contours and result in bronchovascular crowding . An area of heterogeneous opacity in the right lung base is seen . No pneumothorax or pleural effusion
    OUTPUT:
    
Heterogeneous right basilar opacity may represent atelectasis , atelectasis or aspiration . Followup PA and lateral chest radiographs are recommended for more complete assessment when the patient 's condition permits .