Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are compared to previous exam from ___ . The lungs are clear of focal consolidation . A small nodule projects over anterior left fourth rib , potentially calcified nodule versus bone island within the rib and is unchanged from prior . Extreme lung apices are excluded from the field of view . There is no effusion . Cardiomediastinal silhouette is normal . Osseous and soft tissue structures are unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process .