Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Midline sternotomy wires are again noted . The previously noted NG tube has been removed . Linear opacities in the right upper lobe are again noted , which could represent scarring or atypical infection . Please note this opacity was not seen dating back to x-rays from earlier this year . A stent projects over the left subclavian region . Aside from findings in the right upper lobe , the lungs appear clear . Cardiomediastinal silhouette is normal . Bony structures are intact . There are small surgical clips noted in the right upper lung / superior mediastinal region .
    OUTPUT:
    
Subtle linear opacities in the right upper lobe could represent atypical pneumonia or scarring . Recommend followup to resolution .