Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest are compared to previous exam from ___ . There is mild residual pulmonary vascular congestion , which has improved since previous exam . Previously seen right PICC and IJ venous lines are no longer visualized . There is no confluent consolidation . Please note , lateral view is limited secondary to patient 's arms being down by his side . Cardiac silhouette is enlarged , but stable in configuration . No acute osseous abnormality is detected . Posterior cervical and thoracic fixation hardware is partially visualized .
    OUTPUT:
    
Improvement in previously seen pulmonary vascular congestion without other superimposed cardiovascular process .