Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: New since the prior radiographs but also since the recent prior CT are opacities in the superior segment of the left lower lobe and also more vague but new right upper lobe opacity , all suggesting development of pneumonia . There is no pleural effusion or pneumothorax . Mild to moderate degenerative changes are similar along the thoracic spine .
    OUTPUT:
    
New opacities suggesting pneumonia .