Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left basilar atelectasis is again seen . The lungs are otherwise notable for nodular densities projecting over the bases compatible with nipple shadows . There is no pneumothorax . There is no effusion or edema . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary process .