Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Subtle change in the contour of the medial right diaphragm that can not be completely characterized on single view . The lungs are otherwise clear . No pleural effusions or pneumothorax . Right PICC tip ends in mid SVC . Mild cardiomegaly is unchanged from prior exam .
    OUTPUT:
    
Subtle change in the contour of the medial right diaphragm can not be fully characterized on single view , recommend PA and lateral views . Lungs otherwise clear .