Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without focal consolidation , effusion , or edema . There is a small nodule projecting over the right upper lobe over the right posterior sixth rib however is slightly altered in location when compared to prior therefore is not likely in the rib and likely in the lung . It has however remained stable since ___ . Cardiomediastinal silhouette is within normal limits .
    OUTPUT:
    
No acute cardiopulmonary process .