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 nodular density projecting over the left cardiac silhouette and the anterior left sixth rib measuring 6 mm . Density of this nodule suggests that it is calcified . Cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary process .