Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The anterior lower chest is cut off from the image on the lateral view . Lung volumes are low , likely secondary to lack of full inspiration . No pulmonary edema , pleural effusion , focal consolidation , or pneumothorax . The heart is normal in size . The mediastinum is not widened . The hila are within normal limits . Multilevel degenerative changes in the thoracic spine with prominent anterior osteophytes are moderate . A prevertebral density likely represents projection artifact from the scapula , but a prevertebral lesion can not be excluded .
    OUTPUT:
    
1 . No pneumonia . 2 . Prevertebral density likely represents projection artifact from the scapula , but a prevertebral lesion can not be excluded .