Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There are relatively low lung volumes . No focal consolidation , pleural effusion , or evidence of pneumothorax is seen . The cardiac and mediastinal silhouettes are stable . Slight prominence of the interstitial markings is likely due to low lung volumes ; however , a component minimal interstitial edema is not excluded .
    OUTPUT:
    
Low lung volumes . Slight prominence of the markings likely due to low lung volumes ; however , a component of minimal interstitial edema not excluded . No focal consolidation .