Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest are compared to previous exam from ___ . The lungs are clear of focal consolidation or effusion . Nodule projecting over the left posterior tenth rib over left lung base is most likely nipple shadow . Cardiomediastinal silhouette is within normal limits . Posterior right ninth rib fracture deformity is again seen . Osseous and soft tissue structures are otherwise unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process .