Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: ET tube ends 6 .4 cm above the carina . Right - sided Swan - Ganz is in the main pulmonary artery . There is no pneumothorax . Left lower lung atelectasis has improved . Small pleural effusion on the left side has also improved . Mild pulmonary edema is , however , new . Moderate cardiomegaly is stable .
    OUTPUT:
    
1 . Tubes and lines are in adequate position . There is no pneumothorax . 2 . Mild pulmonary edema is new . 3 . Improvement of left lower lung atelectasis and small pleural effusion .