preferred_name: total axillary lymphadenectomy medial border of dissection was pectoralis major
preferred_name_lc: total axillary lymphadenectomy medial border of dissection was pectoralis major
label: total axillary lymphadenectomy medial border of dissection was pectoralis major
label_lc: total axillary lymphadenectomy medial border of dissection was pectoralis major