Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Prior right - sided central venous catheter is no longer visualized . Relatively low lung volumes are noted . There is no confluent consolidation or large effusion . There is pulmonary vascular congestion without overt edema . Cardiac silhouette is mildly enlarged , unchanged . No acute osseous abnormalities .
    OUTPUT:
    
Pulmonary vascular congestion . No focal consolidation .