Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left PICC terminates in the proximal right atrium . The lungs are hyperinflated with minimal linear atelectasis at the left base . There is no pleural effusion or pneumothorax . The cardiomediastinal silhouette is unremarkable . Degenerative changes are noted in the spine .
    OUTPUT:
    
No acute cardiopulmonary process .