Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Sternotomy wires are intact . Right Swan - Ganz catheter is close to pulmonic valve . Mitral valve replacement is in correct position . Mild interval increase in retrocardiac opacity from moderate atelectasis and left pleural effusion . No pneumothorax and right lung is clear . Heart is mildly enlarged and there is a post op appearance to mediastinam . Hila are normal . No bony abnormality .
    OUTPUT:
    
1 . Mild interval increase in left lower lobe atelectasis and pleural effusion . 2 . Right Swan - Ganz catheter is close to pulmonic valve .