Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post mitral valve repair . There is moderate cardiomegaly which stable . The right lung bases of located secondary to moderate right pleural effusion with right lower lobe atelectasis . There is a small left pleural effusion . There is no pneumothorax , pulmonary edema , or focal consolidation .
    OUTPUT:
    
Moderate right pleural effusion and severe right basilar atelectasis , increased since ___ . Mild left pleural effusion unchanged . Minimal left pleural effusion and right moderate pleural effusion with right lower lobe atelectasis Stable large postoperative cardiomediastinal silhouette . No pulmonary edema . No pneumothorax .