Surprisingly, Nf1+/− mice had a better survival rate and longer median survival time (MST) than their WT littermates when they were challenged with either CD1d-positive or CD1d-negative RMA/S tumor cells although, in this experiment, the difference between Nf1+/− and WT mice was not statistically significant (Figure S4 in Supplementary Material). The gene discussed is CD1D; the disease is neoplasm.