Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Projecting over the posterolateral right eighth and anterolateral right sixth rib , there is a subtle ovoid opacity of unclear clinical significance , which is stable since the prior study . No focal consolidation is seen . There is no pleural effusion or pneumothorax . The cardiac and mediastinal silhouettes are stable . No overt pulmonary edema is seen .
    OUTPUT:
    
No acute cardiopulmonary process .