3.4. Combination of KISIMA-Mash2 Vaccine and Anti-PD-1 Treatment Reduces the Formation of Colon Tumors in Apc+/Min-FCCC Mice and Is Associated with Increased T-cell Infiltration into the Intraepithelial Compartment of Colon Adenomas. The gene discussed is ASCL2; the disease is colon adenoma.