Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . Extremely low lung volumes are again seen , although somewhat improved since prior . The lungs are clear of consolidation or effusion . There is no pulmonary vascular congestion . The cardiomediastinal silhouette is unchanged , noting limitation of evaluation given rotation to the right . No acute osseous abnormality is detected . Surgical clips seen in the upper abdomen .
    OUTPUT:
    
No definite acute cardiopulmonary process .