Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Scarring at the right lung base is unchanged . Mild elevation of right hemidiaphragm is unchanged . No pneumothorax . A small right pleural effusion is unchanged . Hilar contours are normal . Neoesophagus and expected postsurgical changes are stable from ___ .
    OUTPUT:
    
1 . Mild scarring at the right lung base , mild elevation of the right lung base and moderate right pleural effusion are unchanged from ___ . 2 . No evidence of pneumonia . 3 . A small right pleural effusion and mild right lung base atelectasis is unchanged from ___ . 4 . Neoesophagus and expected postsurgical changes are stable from ___ .