Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There is no focal consolidation or pneumothorax . Blunting of the left posterior costophrenic sulcus may represent a tiny pleural effusion or scarring . Prominent diffuse interstitial markings suggest underlying chronic lung disease . The heart is mildly enlarged . Mediastinal silhouette and hilar contours are within normal limits . Degenerative changes seen in the shoulders bilaterally . No displaced rib fracture is identified . A wedge compression deformity in the lower thoracic / upper lumbar spine is of unknown chronicity . Aortic calcifications are better seen on the prior study .
    OUTPUT:
    
1 . No acute intrathoracic process . 2 . Wedge compression deformity in the lower thoracic / upper lumbar spine of unknown chronicity . Correlate with exam .