Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Extremely low lung volumes are seen particularly on the frontal view with secondary crowding of the bronchovascular markings . No large effusion nor confluent consolidation identified . Cardiomediastinal silhouette is grossly stable . No acute osseous abnormalities . Coils identified in the upper abdomen as well as presumed TIPS .
    OUTPUT:
    
Low lung volumes limiting exam without definite acute cardiopulmonary process .