Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Both lungs are remarkable for mild prominence of pulmonary vasculature suggesting minimal congestion , however , there is no pulmonary edema . Heart size is top normal and unchanged since ___ . Status post median sternotomy with intact sternal suture . No pleural effusion . No discrete lung opacities concerning for pneumonia .
    OUTPUT:
    
Mild pulmonary vascular congestion , no pulmonary edema . No radiographic evidence of pneumonia .