Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left mid lung pulmonary nodule is again noted . The lungs are otherwise clear . Cardiomediastinal silhouette is within normal limits . Surgical clips project just inferior to the right hemidiaphragm . Hypertrophic changes are noted in the spine . There is an incomplete left first rib as seen on prior CT scan , likely congenital .
    OUTPUT:
    
No acute cardiopulmonary process . Bilateral pulmonary nodules , better seen on prior CT .