PTEN and cervical adenocarcinoma: The cervical adenocarcinoma in this case exhibited characteristic features of gastric-type adenocarcinoma (GAS), including HPV negativity and a distinctive immunohistochemical profile: ER (-), PR (-), PTEN (weak+), p53 (mutant pattern), CDX-2 (-), SATB2 (-), villin (-), CK7 (+), CK20 (-), VIM (-), and p16 (patchy+).