Presence of high grade glandular intraepithelial neoplasia at surgical margin in ampullectomy specimen
presence of high grade glandular intraepithelial neoplasia at surgical margin in ampullectomy specimen
Presence of high grade glandular intraepithelial neoplasia at surgical margin in ampullectomy specimen (observable entity)
presence of high grade glandular intraepithelial neoplasia at surgical margin in ampullectomy specimen (observable entity)