Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Tracheostomy tube is in similar position . Right PICC is no longer seen . Relatively low lung volumes are noted with secondary right basilar atelectasis . Otherwise , lungs are clear . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary process .