Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There is very minimal blunting of the bilateral posterior costophrenic angles , which is likely not significantly changed from the prior , although very trace pleural effusions are not excluded . Areas of calcification overlying the right hemithorax are in similar distribution as compared to the prior , although somewhat slightly more prominent as compared to the prior from ___ . No definite focal consolidation is seen . There is no pneumothorax . There is a dual - lead left - sided pacemaker with leads extending to the expected positions of the right atrium and right ventricle . The cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
Possible slight blunting of the posterior costophrenic angles may be due to very trace pleural effusions . Calcifications overlying the right hemithorax are in a similar distribution as compared to the prior study , but increased in prominence as compared to ___ . Query whether post-surgical .