Moreover, exposure of the HLA-A2/A24− AsPC-1 carcinoma cell line to 10 Gy of 223Ra over 96 hours did not result in any significant lysis by any of the CEA, MUC-1, or brachyury CTLs used in this study (Figure 2B, bottom panel). The gene discussed is CEACAM5; the disease is carcinoma.