Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right PICC is present with the tip in the upper SVC . Again , there is mild vascular congestion , similar to the prior exam . There is no focal opacity , pleural effusion or pneumothorax . The mediastinal contours are normal . The heart is moderately enlarged and unchanged .
    OUTPUT:
    
1 . Right PICC with the tip in the upper SVC . 2 . Unchanged mild vascular congestion . 3 . No evidence of pneumonia .