Esophagus Carcinoma in Situ, also known as carcinoma in situ of oesophagus, is related to triosephosphate isomerase deficiency and congenital nonspherocytic hemolytic anemia. An important gene associated with Esophagus Carcinoma in Situ is ODC1 (Ornithine Decarboxylase 1), and among its related pathways/superpathways are Metabolism and Nuclear receptors meta-pathway. The drugs Iodine and Ethanol have been mentioned in the context of this disorder. Affiliated tissues include lymph node and trachea, and related phenotypes are growth/size/body region and neoplasm