Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . The right arm PICC line tip terminates appropriately at the level of the superior vena cava which does not appear significantly changed from prior exam . Lungs are clear . No pleural effusion or pneumothorax . Cardiomediastinal silhouette normal . Bony structures intact .
    OUTPUT:
    
Right arm PICC line tip terminates in the superior vena cava which is unchanged from prior exam .