Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low , causing bronchovascular crowding . No focal opacity to suggest pneumonia is seen . No pleural effusion , pneumothorax , or overt pulmonary edema is seen . A known 7 - mm right lower lobe pulmonary nodule seen by CT is not well evaluated on this exam . The heart size is normal .
    OUTPUT:
    
No evidence of acute cardiopulmonary process .