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.
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Question: Question: Are perioperative complications after hemiarthroplasty and total shoulder arthroplasty equivalent?
Answer: Multivariate analysis of patients undergoing TSA or HA in the NSQIP database suggests that patient factors-not the procedure being performed-are significant predictors of major complications. Controlling for patient comorbidities, we found no increased risk of perioperative major complications in patients undergoing TSA compared with HA.

Answer: yes


Question: Question: Does neo/adjuvant chemotherapy improve outcome in resected primary synovial sarcoma : a study of the French Sarcoma Group?
Answer: As for other high-grade soft-tissue sarcomas, well-planned wide surgical excision with adjuvant radiotherapy remains the cornerstone of treatment for SS. Neo-adjuvant or adjuvant chemotherapy should not be delivered outside a clinical trial setting.

Answer: no


Question: Question: Does very urgent carotid endarterectomy increase the procedural risk?
Answer: These data show that very urgent surgery in symptomatic patients can be performed without increased procedural risk. Given the fact that ruptured plaques with neurological symptoms carry the highest risk of a recurrent ischemic event in the first 2 days, treating patients as soon as possible to offer the highest benefit in stroke prevention is recommended.

Answer:
no