Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate cardiomegaly with mitral annulus calcification is unchanged from ___ . Mediastinal silhouette and hilar contours are normal . Mild pulmonary edema is minimally improved with a persistent tiny left pleural effusion . Lungs are otherwise without focal consolidation . There is no pneumothorax .
    OUTPUT:
    
Mild pulmonary edema minimally improved with persistent small left pleural effusion .