“Adenocarcinoma, NOS, mucin producing”, and mucinous adenocarcinoma accounted for eight cases each (4.23%), followed by cases classified as micropapillary predominant adenocarcinoma and G3 adenocarcinoma, with six cases for each category (3.17%), and signet ring cell adenocarcinoma with four cases (2.12%). The gene discussed is MUC5AC; the disease is signet ring cell carcinoma.