Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low leading to crowding of the bronchovascular structures . There is no lobar consolidation , pleural effusion , or pneumothorax . Allowing for low lung volumes and AP projection , heart size is top - normal .
    OUTPUT:
    
Low lung volumes . Standard PA and lateral views of the chest would be helpful for more complete assessment of the heart and lungs the patient 's condition permits .