Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Supine portable view of the chest demonstrates low lung volumes , which accentuate bronchovascular markings . No focal consolidation , pleural effusion or pneumothorax . Hilar and mediastinal silhouettes are unremarkable . Heart size is normal . There is no pulmonary edema . There is minimal dextroscoliosis of the thoracic spine . Partially imaged upper abdomen is unremarkable .
    OUTPUT:
    
Low lung volumes . No evidence of acute cardiopulmonary process .