Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well - expanded . No evidence of focal consolidation , edema , effusion , or pneumothorax . The heart is normal in size . The descending thoracic aorta is slightly tortuous , unchanged . Aortic knob calcifications are mild , unchanged . Right deviation of the trachea is unchanged since at least ___ , possibly related to the tortuous aorta and scoliosis . Left glenohumeral joint degenerative changes are severe .
    OUTPUT:
    
No focal pneumonia .