Professor Hwang Daeyong is the director of the medical team, which includes Professors Yoo Choongeun and Baek Jinhee. Coloanal surgery provides treatment for colorectal cancer (colon cancer and rectal cancer) and anal cancer patients at the Colorectal Center located on 2F of the main building. 

Coloanal surgery provides an accurate diagnosis and treatment of colorectal cancer and rectal cancer, as well as various diseases of the large and small intestines, and anus by performing endoscopy, and anorectal function tests, (e.g., anal ultrasound, anal manometry, and anal electromyography), with the latest equipment directly at the outpatient clinic. All possible tests are performed on the day of consultation at the outpatient clinic, thus reducing time until the diagnosis.

We are also doing our best to provide reduced postoperative pain and recovery period by utilizing a variety of advanced treatments that are currently recognized for representative anal diseases (e.g., hemorrhoids, anal fistula, and anal fissure). Anorectal function test is performed on functional disorders that are difficult to treat, such as chronic constipation and fecal incontinence, so as to accurately diagnose the cause and apply various treatment measures. 

Hepatobiliary and pancreatic surgery is led by Professor Jang Sunghwan, Professor Shin Miljae, and Professor Yoon Ikjin. This is performed in order to identify and treat hepatic cancers of the liver, biliary tract, and pancreas, as well as diseases requiring surgical procedure, such as cystic lesion in the liver, gallbladder stones, bile duct stones, and pancreatic cyst. 

There are approximately 10,000 new cases of liver cancer that occur each year in Korea. It is the third most prevalent registered cancer following stomach cancer and lung cancer, and the leading cause of death among men in their 40s and 50s. Resection, liver transplants, and radiofrequency ablation are known to be effective forms of liver cancer treatment. We offer the best care for our patients through a multidisciplinary system.

In Korea, pancreatic cancer is ranked 10th to 12th in the incidence rate of cancer and ranked 8th to 10th in men in the overall cancer incidence rate per organ in Korea. The occurrence of pancreatic cancer will further increase due to the growth of the elderly population, high smoking rate, and Westernized diet. The clinical symptoms are nonspecific; however, abdominal pain, jaundice, and weight loss may occur. For patients who are exhibiting any of these signs and symptoms, pancreatic cancer should be considered and diagnostic tests must be performed for early diagnosis. Even though the prognosis may be disconcerting, good results can be expected from an early diagnosis and surgery. Here at KUMC, our gastroenterologists, surgeons, and radiologists have a consultative treatment system for accurate diagnosis and fast treatment. 

Surgical resection is considered as the only treatment for gallbladder cancer and cholangiocarcinoma; however, radiotherapy or chemotherapy may also be performed.

Gallstones are usually found by chance because they do not show any symptoms. Approximately 70% of people with gallstones are asymptomatic, while the rest are likely to develop clinical symptoms or complications, as well as cholecystitis. When gallstones are present, it does not mean that surgery is required. Surgery is only recommended when there are symptoms or inflammation caused by gallstones. Over the years, laparoscopic cholecystectomy has become more prevalent, with a significant reduction of complications due to surgery. In most cases, patients can be discharged in just 2-3 days after surgery, and they may return to their daily life within a week. Gallstones can be classified into choledocholithiasis and intrahepatic stone, based on their location. It is deemed necessary to consult a doctor as these gallstones may require treatment even without the presence of any symptoms. 

Breast and endocrine surgery, which is located on B1 of the main building, is led by Professors Yang Jeonghyun, Yoo Youngbeom, and Park Gyeongsik. It provides diagnosis and treatment of the overall disease of the breast, including inflammatory diseases, benign tumors, and breast cancer, as well as the functional abnormalities of the organs that secrete hormones (e.g., thyroid gland, parathyroid gland, and adrenal gland), and benign tumors and cancer. 

Breast and endocrine surgery has introduced Mammotome, a popular method of biopsy for breast cancer, and started the biopsy and treatment of breast lesions. The advantage of tissue biopsy using this device is that it extracts more tissues, removes almost all lesions of less than 2 cm in size, and increases the precision of biopsy with more tissue compared to the needle biopsy performed in the past.

Endoscopic thyroidectomy is performed as a part of the microinvasive surgery that reduces pain and discomfort in patients with thyroid tumors. Thyroid surgery leaves surgical scars around the neck; however, it prevents the scars from being seen as it uses the incision made on the areola, which increases patient satisfaction.

Transplantation surgery is led by Professors Yoon Ikjin, Jang Sunghwan, and Shin Miljae. Organ transplantation refers to the method of replacing various organs of end-stage patients with the healthy organs donated by brain-dead patients and live donors. Solid organs (e.g., kidneys, liver, pancreas, heart, lungs, and intestines) and tissues (e.g., cornea, bone marrow, bone, ligaments, cartilage, and heart valves) are currently the organs that can be transplanted.

The transplantation clinic has been performing kidney transplants since January 2000 and liver transplants since June 2006. Kidneys properly maintain a concentration of water, electrolytes, and acid-base in our bodies, and excrete metabolic waste products from the body through urine. In addition, kidneys retain a constant amount of various minerals (e.g., calcium and phosphorus)  and secrete hormones to control blood pressure. Kidney transplantation is a surgical procedure that transplants a healthy kidney into the body when there is a complete loss of function of the original kidneys. In the case of living donor transplants, we perform laparoscopic surgery to the donor in order to reduce pain and scarring. 

The liver is an essential organ for sustaining life. It is in charge of various roles involving the production of hemostatic factors that prevent bleeding, metabolic activity performance, and detoxification in vitro or within the body. However, there is no equipment available yet, and the only treatment for patients with end-stage hepatic failure is liver transplantation. This procedure eliminates irreversible liver failure and transfers a healthy liver to the recipient. It can be divided into a liver transplantation where one is from a deceased donor and another from a living donor. The former transplants the whole liver from the deceased donor, while the latter involves surgically separating a part of the liver of a healthy donor and transplants the liver into the recipient. Liver transplants were first initiated from deceased donor liver transplants, which necessitated the living-donor liver transplantation due to the lack of donor organs. In Korea, where there are limited deceased-donor liver transplants, the majority of liver transplantation is living-donor liver transplants. 

The transplantation clinic provides consultation and examinations for kidney transplantation and liver transplantation, as well as surgery and postoperative care, and preoperative and postoperative support in conjunction with the organ transplants and social work offices. 

Professor Yoon Ikjin is the head of the medical staff of vascular surgery, which provides fast and accurate diagnostic process based on the optimal support of the non-invasive vascular laboratory and angiography laboratory, which is essential for vascular disease. The most common vascular diseases include arterial occlusion, Buerger's disease, varicose veins, abdominal aortic aneurysm, carotid artery stenosis, angioplasty, lymphedema, and arteriovenous aneurysm for patients with chronic renal failure. Various vascular diseases are treated thoroughly via consultation with the related medical departments.