Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate cardiomegaly is exacerbated by AP technique and likely unchanged . The mediastinal and hilar contours are unremarkable . A small bilateral pleural effusions . Left retrocardiac opacity projects over the spine on the lateral radiograph . There is no pneumothorax . There are calcified pleural plaques bilateraly . There are notable degenerative changes at the acromioclavicular joints .
    OUTPUT:
    
Stable moderate cardiomegaly and possible left basilar pneumonia .