Grover M. published “Cellular changes in diabetic and idiopathic gastroparesis” in Gastroenterology in 2011, in which a cytological study of diabetic gastroparesis was carried out, and found that the majority of patients with gastroparesis were found to have cellular abnormalities, Kit expression deficiencies, ICC deficiencies, and increased immunoreactivity for CD45 and CD68. The gene discussed is KIT; the disease is intrahepatic cholangiocarcinoma.