Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left PICC line tip terminates at the level of lower SVC .
    OUTPUT:
    
Left PICC line tip terminates at the level of lower SVC . Epidural catheter is in place . Cardiomediastinal silhouette is unchanged . Lungs are overall clear . Substantial pectus excavatum is present that contributes to the left mediastinal shift and indistinct right medial lung appearance .