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In young NCCP patients, the prevalence of GERD was relatively low compared to average-aged NCCP, but the difference was insignificant. The PPI test was very effective in diagnosing GERD in the NCCP patients in both age groups. Therefore, in young NCCP patients, if there is a negative response to a 2-week PPI trial, the possibility of extra-esophageal disease origin needs to be considered.

The frequency of overall and high-risk colorectal neoplasm in the gastric neoplasm group was higher than that in the control group. Therefore, a screening colonoscopy should be considered in patients with early gastric neoplasm undergoing ESD.

Hepatocellular carcinoma(HCC)is one of common causes of cancer-related death in Korea where the majority of HCC patients were Hepaitc B virus(HBV)carriers and have cirrhosis. Transarterial chemoembolization(TACE)is commonly applied to the treatment of multinodular HCC in Korea and careful selection of candidate is important for the risk of various side effects. Besides common side effects as fever, nausea, abdominal pain and elevation of liver enzyme, TACE may predispose to hepatic failure, ischemic cholecystitis, pulmonary embolism, cerebral embolism and pneumonitis. In previous studies, some cases of pulmonary and cerebral embolism cases were reported but lipiodol pneumonitis after TACE was rarely reported. A 65-year-old woman with a multinodular HCC associated with HBV infection, was treated with TACE. Seven days after the procedure, nonspecific respiratory symptoms such as dyspnea and dry cough developed. Chest X-ray and chest computed tomography showed diffuse ground glass opacities in whole lung fields, suggestive of lipiodol pneumonitis. After several days of supportive care with steroid administration, radiologic abnormalities and subjective symptoms were much improved, considered that the disease was compatible with lipiodol pneumonitis.

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