Chromosome 9p contains numerous tumor-associated genes, such as PAX5 at 9p13.2, CDKN2A, CDKN2B, MTAP, IFN, MLLT3, PTPLAD2 at 9p21.3, and JAK2 at 9p24.1 [38, 39]. The gene discussed is HACD4; the disease is neoplasm.