Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate to severe cardiomegaly is stable . The pulmonary arteries appear enlarged . The the aorta is tortuous . The lungs are hyperinflated . Bilateral pleural effusions are small unchanged . Faint opacities previously seen in the right mid lung are less conspicuous than before . Minimal opacities in the lower lobes are likely atelectasis . There is no pneumothorax . Wedge - shaped deformities of several mid thoracic vertebral bodies are unchanged
    OUTPUT:
    
COPD . Improved right pneumonia . Small bilateral effusions