Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The mild pulmonary edema is improved from four hours ago . The bibasilar atelectasis and mild cardiomegaly is stable . There is no pneumothorax or pleural effusion . The hilar and mediastinal contours are normal . A new right PICC terminates in the upper SVC just beyond the confluence of the right brachiocephalic vein and the SVC .
    OUTPUT:
    
1 . Improved mild pulmonary edema . 2 . No evidence of pneumonia . 3 . New right PICC terminating in the upper SVC .