Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Postoperative appearance of the mediastinum with left chest wall pacer and TAVR stent appear unchanged . Pulmonary vascular congestion , interstitial edema , and asymmetrical perihilar airspace opacification ( left greater than right ) are new from ___ . Small right pleural effusion , new from ___ . Elevation of the right hemidiaphragm is stable with adjacent right basilar atelectasis .
    OUTPUT:
    
Moderate pulmonary edema and small right pleural effusion , new from ___ . Given the asymmetry , follow - up chest x-rays after diuresis may be helpful to ensure resolution .