Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no focal consolidation or pneumothorax . Tiny right pleural effusion has improved from ___ . Linear atelectasis is seen at the right lung base . Moderate cardiomegaly is unchanged . Mediastinal silhouette and hilar contours are normal .
    OUTPUT:
    
No pneumonia or edema . Tiny right pleural effusion , improved from ___ .