HOXC9 and neoplasm: The expression of HOXA1, HOXA7, HOXA10, HOXB7, HOXB9, HOXC4, HOXC6, HOXC9, HOXC10, HOXD10 and HOXD11 was consistent in both the primary tumor samples from the tongue as well as cell lines, PECAPJ15 (RRID: CVCL_2678), PECAPJ49 (RRID: CVCL_2681), SCC-25 (RRID: CVCL_1682).