Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right - sided dual - lumen central venous catheter is again noted . Increased lung volumes seen compared to prior . There may be mild superimposed pulmonary vascular congestion without overt edema . The cardiomediastinal silhouette is unchanged . No acute osseous abnormalities .
    OUTPUT:
    
Pulmonary vascular congestion without focal consolidation .