Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Projecting over the right lung base , there is a 1 .3 - cm nodular opacity for which further evaluation on chest CT is recommended . The remainder of the lung fields is clear . No pleural effusion or pneumothorax is seen . The patient is status post median sternotomy . The cardiac silhouette is top normal . The mediastinum and hilar contours are unremarkable .
    OUTPUT:
    
1 .3 - cm ovoid nodular opacity right lung base which further evaluation with chest CT is advised . Findings were posted to the ED dashboard as well as discussed with Dr . ___ on ___ .