Dr. Zhang Ying， Attending Surgeon， has been practicing general surgery for over 15 years， with a longstanding commitment to the standardized diagnosis and treatment of hepatobiliary， gastrointestinal， hernia and abdominal wall， breast， thyroid， and peripheral vascular diseases. He has extensive experience in the comprehensive management of pancreatic cancer and breast cancer， with a strong focus on individualized， precision‑based therapy.Dr. Zhang is a highly skilled surgeon who independently and proficiently performs a broad range of conventional and laparoscopic minimally invasive procedures， including laparoscopic repair of gastrointestinal perforation， cholecystectomy， appendectomy， herniorrhaphy， and laparoscopic exploration. He is also well‑versed in open surgeries such as radical resection for colorectal cancer， radical mastectomy， bowel resection and anastomosis， gastrointestinal anastomosis， partial thyroidectomy， and local excision or total mastectomy of breast lesions. With meticulous intraoperative technique and rigorous perioperative management， he is dedicated to providing patients with safe， effective， and high‑quality care.