Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a 1 .4 cm nodular opacity projecting over the right upper lung between knee anterior right second and third rib spaces , which also appears to been present on prior chest radiographs from ___ and also seen on chest CT from ___ . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
No acute cardiopulmonary process .