Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left lower lobe opacity is worrisome for pneumonia . There is also right base opacity to a lesser extent , which may be due to atelectasis , but aspiration or additional site of pneumonia not excluded . No large pleural effusion is seen although a trace pleural effusion be difficult to exclude on the left . There is no pneumothorax . Cardiac silhouette is top - normal . The aorta is calcified and tortuous
    OUTPUT:
    
Left lower lobe consolidation worrisome for pneumonia . Subtle right base opacity could be due to atelectasis although underlying aspiration or additional site of pneumonia not excluded .