Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear , without effusion or pneumothorax . The heart size is normal . The right paratracheal stripe is ill - defined , especially distally . There is evidence of prior left mastectomy , with axillary lymph node dissection .
    OUTPUT:
    
1 . No acute chest abnormality . 2 . The right paratracheal stripe is ill - defined , especially distally . If there is concern for lymphadenopathy , this could be further evaluated with CT .