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.

Question: Does morphology of the patent ductus arteriosus preclude successful patent ductus arteriosus stent implantation in high-risk patients undergoing hybrid stage I palliation : recommendations to optimize ductal stent positioning?
Answer: Mid- to long-term follow-up indicates that PDA stents remain widely patent regardless of ductal morphology until comprehensive stage II repair.
no