Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Sternotomy wires are intact and aligned . The patient has had prior CABG . Moderate right pleural effusion is unchanged . Mild pulmonary edema is unchanged . Right lung airspace opacities are unchanged airspace disease at the right base can not be excluded . Moderate cardiomegaly despite the projection is also stable . The bones are osteopenic .
    OUTPUT:
    
No appreciable change in mild pulmonary edema and moderate right pleural effusion . Airspace disease such as pneumonia at the right base would be difficult to exclude . Stable moderate cardiomegaly .