Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest . Lower lung volumes seen on the current exam . The lungs remain clear of consolidation , large effusion or pulmonary vascular congestion . The cardiomediastinal silhouette is unchanged with a tortuous descending thoracic aorta . IVC filter again seen in the right upper quadrant . Vertebral body height loss in lower thoracic spine seen on the frontal view , not definitely new . No acute osseous abnormality identified .
    OUTPUT:
    
No acute cardiopulmonary process .