Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No diffusion , edema , focal consolidation , or pneumothorax . The heart size is top - normal in size , slightly increased since ___ . The mediastinum is not widened . The hila and pleura are normal . The descending thoracic aorta is slightly tortuous , similar to the prior exam . The patient has bilateral cervical ribs . No osseous lesions suspicious for malignancy are infection . Degenerative changes and dextroconvex scoliosis of the thoracic spine are mild .
    OUTPUT:
    
1 . No pneumonia or evidence of volume overload . 2 . Top - normal heart size , slightly increased since ___ .