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
presence of high grade glandular intraepithelial neoplasia at surgical margin in ampullectomy specimen