Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since ___ , mild pulmonary congestion and left retrocardiac atelectasis from severely elevated left hemidiaphragm , which may be due to eventration or diaphragmatic paralysis , are unchanged . Moderate cardiomegaly is stable . No evidence of pneumothorax or pneumonia . Narrow appearing trachea may be seen in patients with chronic lung disease .
    OUTPUT:
    
1 . Mild pulmonary congestion and left retrocardiac atelectasis from severely elevated left hemidiaphragm , which may be due to eventration or diaphragmatic paralysis , are unchanged since ___ . 2 . Narrow appearing trachea may be seen in patients with chronic lung disease . Please correlate with patient history .