Second, different combinations of ten genes (RTEL1, TERT, TERC, STN1, ATM, SP110, SEMA3E, TBX1, DNMT3B, CDCA7) related to the category “Combined immunodeficiencies with associated or syndromic features” were overrepresented in 11 neoplastic diseases/traits. The gene discussed is RTEL1; the disease is neoplasm.