Female, 32 years old, idc with two tumors, one 1.4x1.7 and the other .5. bx results er+/pr-/her2-. ki67 is 50. plan is mastectomy and tamoxifen for 5 years. question is does the patient need chemotheraphy as well.

What is nodal status: This is an area of controversy. If lymph nodes contain tumor, the answer is universally yes. If they do not have tumor, many oncologists would say with young age, tumor over 1 cm in size, and multifocal tumors, YES to chemotherapy. Remember that each cancer is unique, and only the doctors that have all of the information can give you the best recommendation. Good luck!

Maybe: There are other factors to be also taken into consideration. The status of lymph nodes is a major factor. Being a very young person, generally they utilize more aggreassive treatment plans. You will need to see a medical oncologist after your surgery. He/she will determine the best course of medical therapy which may or may not include chemotherapy.