Detailed Instructions: Given a passage with a question and an answer to that question, classify if the answer actually answers the question into 'yes' or 'no'. Output 'yes' if the answer answers the question and output 'no' if the answer does not answer the question.
Q: Question: Does selective pelvic and periaortic lymphadenectomy increase morbidity in surgical staging of endometrial carcinoma?
Answer: Selective pelvic and periaortic lymphadenectomy in patients with endometrial carcinoma does not significantly add to morbidity from hysterectomy, which is related primarily to other factors such as patient weight, age, and race; operating time; and surgeon.
A:
no