Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest . Relatively lower lung volumes are seen when compared to prior . Calcific density again projects over the lateral aspect of the right mid lung . A left PICC is seen with tip projecting over the distal brachiocephalic vein / upper SVC . Given positioning , the lungs are grossly clear . Cardiomediastinal silhouette is unchanged .
    OUTPUT:
    
No definite acute cardiopulmonary process .