Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is chronic moderate cardiomegaly . In comparison to CT of the chest from ___ , again seen is a right infrahilar streak like opacity , likely due to scarring , unchanged from prior CXR exams dating back to ___ and ___ . No pleural effusion and no pneumothorax .
    OUTPUT:
    
No acute cardiothoracic process .