Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Subtle opacity projecting over the right upper lobe adjacent to the level of the anterior right second rib , likely corresponds to right upper lobe nodular opacity seen on a prior chest CT and recommendation for follow - up chest CT as per the prior chest CT report , remains . No new focal consolidation is seen . There is no pleural effusion or pneumothorax . Extensive mitral annulus calcification is seen . The cardiac and mediastinal silhouettes are unremarkable . No displaced fracture identified .
    OUTPUT:
    
Subtle right upper lobe opacity is most likely corresponds to nodular opacity seen on prior chest CT ; continued recommendation for short - term follow - up chest CT as per the prior chest CT report , remains . No new focal consolidation .