Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes cause bronchovascular crowding . Moderate cardiomegaly and a prominent contour of the right hilum are unchanged from the prior study suggesting underlying pulmonary hypertension . There is no focal consolidation , pleural effusion , pulmonary edema , or pneumothorax . There is a small hiatal hernia .
    OUTPUT:
    
No evidence of acute cardiopulmonary process .