Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are grossly clear besides streaky left basilar opacity which is likely atelectasis . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities identified . Calcification again seen in the left upper quadrant is compatible with the splenic artery aneurysm seen on prior CT .
    OUTPUT:
    
No acute cardiopulmonary process .