Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest . Exam is limited secondary to portable technique and overlying soft tissues . There is central pulmonary vascular engorgement but without evidence of frank pulmonary edema . Retrocardiac opacity is not well seen likely technical . Cardiac silhouette is enlarged but stable .
    OUTPUT:
    
Central pulmonary vascular engorgement without evidence of frank pulmonary edema based on this limited portable exam as above .