NCAM1 and neoplasm: The IHC staining statuses of the nAchRs were recorded in three different sites, including the tumor (T), epithelium (E) and muscle (M), while the staining statuses of the T cell markers (CD3 and 8) and NK cell markers (CD56 and 16) were recorded in two different sites, including the tumor (T) and peritumor (Pt).