Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperexpanded , but clear . The cardiomediastinal silhouette is unremarkable . There is no pleural effusion , pulmonary edema , pneumothorax , or focal consolidation concerning for pneumonia . A 1 .5 x 0 .7 cm hyperdensity projecting over the anterior right second rib on the frontal view is incidentally noted , and not visualized on the lateral view . LAD stent is in place .
    OUTPUT:
    
Slight hyperexpansion , otherwise no acute cardiopulmonary pathology . Hyperdensity projecting over the anterior right second rib on the frontal view is likely musculoskeletal in origin , but followup radiographs can be performed in 3 months to ensure stability unless more remote studies become available for direct comparison .