Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right PICC line tip is difficult to see , is probably in the right atrium , probably 2 .5 cm below cavoatrial junction . Left pleural effusion is new or increased . Heart size , pulmonary vascularity are increased , worsened since prior . Pulmonary edema has mildly worsened . Bibasilar opacity is worsened , likely atelectasis . Surgical instrumentation thoracic spine . No pneumothorax .
    OUTPUT:
    
Right PICC line tip difficult to see , probably in the right atrium . Worsened cardiopulmonary findings .