Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left - sided PICC terminates at the lower SVC . The heart size is normal . The hilar and mediastinal contours are within normal limits . A moderately calcified aortic arch is unchanged . Small bilateral pleural effusions are markedly decreased in size since the ___ examination . There is no vascular congestion or pulmonary edema . There is no pneumothorax or superimposed consolidation .
    OUTPUT:
    
Marked interval decrease in size of bilateral pleural effusions , now small . No pulmonary vascular congestion . Normal heart size .