Specialized in minimally invasive and multidisciplinary treatment for gastric and colon cancer; ultra-low sphincter-preserving surgery for rectal cancer; cosmetically focused surgery for thyroid cancer; minimally invasive treatment of inguinal hernia; minimally invasive surgical repair of incisional hernia, parastomal hernia, linea alba hernia, and hiatal hernia; the diagnosis and treatment of gastrointestinal stromal tumors; metabolic and bariatric surgery for obesity and type 2 diabetes; and supportive care for advanced gastric cancer and malignant bowel obstruction in advanced-stage cancer.