Most normal lung tissues expressed HTR (91.2%) and HTERT was detected in only 7 of 68 non-neoplastic tissues.

• 68例癌旁组织中，无一例表达端粒酶阳性，且大多数癌旁组织均表达HTR（91.；2%25），而HTERT在68例癌旁组织中仅7例为阳性。