Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: On the lateral view , there is increased opacity projecting over the lower thoracic spine . On remote prior CT scan there is no significant degenerative changes to account for this density . While this could be due to interval development of degenerative changes , underlying parenchymal opacity in the lungs , in one of the lower lobes is possible though not confirmed on the frontal view . Increased opacity at the left cardiophrenic angle is compatible with fat pad seen on prior CT . Superiorly , the lungs are clear cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities .
    OUTPUT:
    
Opacity projecting over the spine on lateral view only . Given lack of significant degenerative changes on prior CT , this may represent a focal parenchymal opacity in the setting of pneumonia in the proper clinical setting . Followup after treatment suggested to document resolution .