Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is linear atelectasis of the right minor fissure with indeterminate chronicity . There is diminished vascularity of the upper lobes bilaterally compatible with probable emphysema . There is no pneumonia , no heart failure , or pleural abnormalities .
    OUTPUT:
    
Linear atelectasis , right middle lobe , indeterminate chronicity . No evidence of pneumonia .