Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to the most recent prior study , the right PICC has been retracted with the tip still terminating in the proximal right atrium , which should be retracted 3 - 3 .5 cm to place in the low SVC . The appearance of the chest is otherwise unchanged . The lung volumes remain low with mild pulmonary vascular congestion . There is no pneumothorax . A small right pleural effusion is suggested . The cardiac silhouette is enlarged but stable . The mediastinal contours are prominent but unchanged with mild tortuosity of the thoracic aorta .
    OUTPUT:
    
Right PICC with tip in proximal right atrium and could be retracted 3 - 3 .5 cm to place in the low SVC . Possible small right pleural effusion .