Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single AP upright portable view of the chest was obtained . The patient is status post median sternotomy and CABG . There are bilateral right greater than left perihilar , perihilar opacities which may reflect asymmetric edema although superimposed infectious process is not excluded . Given history of hemoptysis by presenting care the patient , underlying pulmonary hemorrhage is also not excluded . Obscuration of the right hemidiaphragm and blunting of the right costophrenic angle , most likely due to small pleural effusion with overlying atelectasis . The cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
Possible asymmetric right greater than left , pulmonary edema ; superimposed infectious process not excluded . Given history of hemoptysis , underlying pulmonary hemorrhage is not excluded . Small right pleural effusion .