Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right PICC is unchanged with the tip in the mid SVC . Since the prior exam , there has been an improvement in the vascular congestion . There is no evidence of pulmonary edema . There is minimal bibasilar atelectasis . There is no pleural effusion or pneumothorax . The cardiomediastinal silhouette is unchanged . Sternal wires are intact .
    OUTPUT:
    
1 . No evidence of a pleural effusion . Unchanged cardiomediastinal silhouette . 2 . Improved vascular congestion .