Which of the following conclusion(s) can be drawn from the results of the NSABP prospective randomized trials completed in the 1970’s and 1980’s?
A. Delay of axillary node dissection until there is clinical evidence of disease does not influence overall survival
B. Removal of clinically negative nodes has no therapeutic benefit
C. Breast irradiation reduces both local recurrence and overall survival
D. Modified radical mastectomy offers no advantage of lumpectomy with axillary node dissection
Answer:A
Which of the following conclusion(s) can be drawn from the results of the NSABP prospective randomized trials completed in the 1970’s and 1980’s?
A. Delay of axillary node dissection until there is clinical evidence of disease does not influence overall survival B. Removal of clinically negative nodes has no therapeutic benefit C. Breast irradiation reduces both local recurrence and overall survival D. Modified radical mastectomy offers no advantage of lumpectomy with axillary node dissection