Of the thirty-four NPC evaluated, CDH4 tumor expression were negative in twenty-four (70.6%) cases, nine (26.5%) were score = 1, and one (2.9%) was score = 2, whereas thirteen (43.3%) of the cases were score = 1, twelve (40.0%) were score = 2, and five (16.7%) were score = 3 in adjacent nasopharyngeal epithelium (Fig. 4B). Here, CDH4 is linked to neoplasm.