Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate low lung volumes , which accentuate bronchovascular markings . No focal consolidation , pleural effusion or pneumothorax . Hilar and mediastinal silhouettes are unremarkable . Heart size is normal . There is mild perihilar vascular congestion . Stable post - vertebroplasty changes of T11 vertebral body . Mild compression deformities of mid - to - lower thoracic vertebral bodies are slightly progressed since ___ .
    OUTPUT:
    
Low lung volumes and possible mild perihilar vascular congestion . No pleural effusion or pulmonary edema .