Trop-2 has many other names, such as trophoblast antigen 2, tumor-associated calcium signal transducer 2 (TACSTD2), trophoblast cell surface antigen 2, gastrointestinal tumor-associated antigen-1 GA733.1, 40 KD glycoprotein, pancreatic carcinoma marker protein GA733-1, membrane component chromosome 1 surface marker 1 M1S1, epithelial glycoprotein-1, EGP-1, CAA1, Gelatinous Drop-Like Corneal Dystrophy GDLD protein, TTD2, gp50/TROP-2 [12], membrane component surface marker-1. This evidence concerns the gene TACSTD2 and carcinoma.