Abdominopelvic USG and CT: thickness on the antrum wall, gastrohepatic and portahepatic microLAPs; only α-FTP is in normal limits, among the CEA, α-FTP, CA 125, CA15.5; CA19.9 is high more than 10 folds; gastroscopy: infiltration in corpus and antrum (linitis plastica). Here, CEACAM5 is linked to gastric linitis plastica.