Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patchy opacities are noted in the left mid lung . There is also a 2 - mm hyperdense ndules in the right mid lung , likely calcified granuloma . The heart size is normal . Aorta is tortuous and unfolded . Mild degenerative changes in the thoracic spine .
    OUTPUT:
    
Left lung opacities could represent early pneumonia .