Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Within the left lower lobe peripherally there is a new small nodular opacity . This could represent lung focal consolidation / atelectasis in the appropriate clinical setting . There is coarse reticular interstitial opacities in the lung bases likely representing chronic scarring . The cardiomediastinal silhouette is unchanged in appearance with coarse calcifications of the mitral annulus . No pneumothorax . Severe degenerative changes of the right glenohumeral joint are seen .
    OUTPUT:
    
A new focal peripheral left lower lobe opacity . Although very nonspecific , in the appropriate clinical setting , it could represent a developing / early pneumonia . The remainder of the lungs are otherwise unchanged in appearance .