Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right chest wall Port - A - Cath is again seen . Linear right basilar opacity is compatible with atelectasis . The lungs are otherwise clear without consolidation , effusion , or vascular congestion . The cardiomediastinal silhouette is within normal limits . Degenerative changes are noted at the left shoulder . Stents are identified in the right upper quadrant .
    OUTPUT:
    
No acute cardiopulmonary process .