Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Right upper extremity PICC line is new in the interval with its tip in the mid SVC region . Right shoulder arthroplasty is again noted . The lungs are clear . Cardiomediastinal silhouette is stable with an unfolded thoracic aorta . No acute osseous abnormality .
    OUTPUT:
    
PICC line positioned appropriately . No signs of pneumonia .