On July 14, 2025, Beijing lawyer Zhang Xiaoling complained that the risk of cancer was not detected for 10 consecutive years at the medical examination branch of Elken Guobin Health Examination Management Group Co., Ltd. in Beijing. The cancer was already advanced when she was discovered in 2024. She questioned that Elken Guobin's medical examination was suspected of “mistesting or omission.” In July of this year, Zhang Xiaoling complained to the Beijing Municipal Health Commission about relevant units and personnel. In August of this year, Elken Group sued Zhang Xiaoling for infringement of her right to reputation and claimed 10 million yuan against Zhang Xiaoling. At noon on December 13, Zhang Xiaoling told reporters that the Beijing Municipal Health Commission recently had preliminary results in handling her complaint. The Beijing Municipal Health Commission stated in its response that it did not find falsification of laboratory data and medical examination results; the Elken Guobin Xisanqi Clinic had problems such as doctors' multiple practice agency filings, irregular medical waste collection records, and missing health examination reports; in view of Zhang Xiaoling's objections to some of the handling opinions, after consultation with Zhang Xiaoling, the next step is to organize and promote medical accident technical assessment related to issues related to her complaint, Xisanqi Clinic, Peking University First Hospital, and Peking University International Hospital. It is processed according to regulations.

On July 14, 2025, Beijing lawyer Zhang Xiaoling complained that the risk of cancer was not detected for 10 consecutive years at the medical examination branch of Elken Guobin Health Examination Management Group Co., Ltd. in Beijing. The cancer was already advanced when she was discovered in 2024. She questioned that Elken Guobin's medical examination was suspected of “mistesting or omission.” In July of this year, Zhang Xiaoling complained to the Beijing Municipal Health Commission about relevant units and personnel. In August of this year, Elken Group sued Zhang Xiaoling for infringement of her right to reputation and claimed 10 million yuan against Zhang Xiaoling. At noon on December 13, Zhang Xiaoling told reporters that the Beijing Municipal Health Commission recently had preliminary results in handling her complaint. The Beijing Municipal Health Commission stated in its response that it did not find falsification of laboratory data and medical examination results; the Elken Guobin Xisanqi Clinic had problems such as doctors' multiple practice agency filings, irregular medical waste collection records, and missing health examination reports; in view of Zhang Xiaoling's objections to some of the handling opinions, after consultation with Zhang Xiaoling, the next step is to organize and promote medical accident technical assessment related to issues related to her complaint, Xisanqi Clinic, Peking University First Hospital, and Peking University International Hospital. It is processed according to regulations.