Gastric carcinoma is associated with all of the following, except?

Mutated p53 isoforms can generate an autoimmune response. Serum anti-p53 antibodies can serve as a diagnostic and prognostic marker in gastric cancer patients.Amplification of the c-met gene has been demonstrated in scirrhous-type gastric cancers. c-met is overexpressed or amplified in advanced gastric cancers of both the well-differentiated and poorly differentiated types.Ras activation is associated with the development of gastric cancer, but it is rare.