Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Appliances are in good position . There is no pneumothorax . Linear atelectasis left lung base , similar . Probable small left pleural effusion , similar . Significant gastric distention , new since prior exam . Increased heart size
    OUTPUT:
    
New significant gastric distention . No pneumothorax . Stable cardiopulmonary findings .