Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post median sternotomy and CABG . No pleural effusion is seen . There is no pneumothorax . Patchy right apical opacity is seen of indeterminate age ; could represent scarring , however , underlying consolidation due to infection is not excluded . Recommend comparison with prior studies to demonstrate long - term stability or followup to resolution . Multiple old right - sided rib deformities are seen suggesting prior trauma .
    OUTPUT:
    
Patchy right upper lobe opacity could relate to scarring , however , focal consolidation due to infection is not excluded . Recommend comparison with prior studies to demonstrate long - term stability or followup to resolution .