Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are low lung volumes . Subtle prominence of the interstitial markings is improved . No new focal consolidation is seen . There is no pleural effusion or pneumothorax . Cardiac and mediastinal silhouettes are likely somewhat accentuated by portable , AP technique . Tip is partially imaged in the right upper quadrant .
    OUTPUT:
    
No acute cardiopulmonary process .