Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well - expanded and overall hyperlucent , similar to the prior exam suggesting chronic pulmonary disease . Compared to ___ , right infrahilar opacity with slight blurring of the right heart border more conspicuous , which could be compatible with aspiration given the provided clinical history . Pulmonary vascular redistribution is grossly unchanged . No edema . Mild - to - moderate cardiomegaly is new . The mediastinum is not widened . No pneumothorax , ___ pulmonary edema .
    OUTPUT:
    
Increased heart size but no pulmonary edema .