Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . The cardiac silhouette is moderately enlarged . There is no pleural effusion or pneumothorax . There is diffuse increase in markings , central predominate , suggesting fluid overload . There is subtle focal patchy right upper lung opacity and a small focus of infection is not excluded . There is no pneumothorax . Mediastinal contours are unremarkable .
    OUTPUT:
    
1 . Enlarged cardiac silhouette with mild pulmonary edema . 2 . More focal patchy opacity in the right upper lung zone , focus of infection not excluded .