Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal contours are stable with moderate cardiomegaly and tortuous aorta . Left lower lobe opacities are stable could be atelectasis or pneumonia in the appropriate clinical setting . Small bilateral pleural effusions are larger on the left side . . There is no pneumothorax . There are moderate degenerative changes in the thoracic spine
    OUTPUT:
    
Small bilateral effusions left greater than right Left lower lobe opacities could represent atelectasis or pneumonia