Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right - sided PICC terminates 1 .5 cm below the cavoatrial junction . Heart size is normal . The mediastinal and hilar contours are normal . The pulmonary vasculature is normal . Lungs are clear . No pneumothorax . The contour of the right hemidiaphragm suggests a possible small sub pleural effusion however this is equivocal .
    OUTPUT:
    
Right - sided PICC terminates 1 .5 cm below the cavoatrial junction . No pneumothorax .