Assertion: radical mastectomy | /r/HasProperty | the removal of the lymph
Facets:
Source sentences:
text: Sampson Handley noted Halsted's observation of the existence of malignant metastasis to the chest wall and breast bone via the chain of internal mammary nodes under the sternum and employed an "extended" radical mastectomy that included the removal of the lymph nodes located there and the implantation of radium needles into the anterior intercostal spaces.