Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left PICC terminates in the upper SVC . In comparison with the prior exam , it appears to be slightly pulled back . A small metallic density overlies the left apex and appears to be within the subcutaneous tissue on the lateral view . It is unchanged . Cervical spine hardware is partially imaged , and unchanged . The lung volumes are low . The lungs are clear without a focal airspace consolidation or pulmonary edema . There is no pleural effusion or pneumothorax . The cardiomediastinal silhouette is normal . The osseous structures are unremarkable ; specifically , vertebral body height is maintained in the thoracic spine .
    OUTPUT:
    
1 . PICC in the upper SVC . 2 . No acute cardiopulmonary process .