Surgical margin involved by high grade glandular intraepithelial neoplasia in ampullectomy specimen
surgical margin involved by high grade glandular intraepithelial neoplasia in ampullectomy specimen
Surgical margin involved by high grade glandular intraepithelial neoplasia in ampullectomy specimen (observable entity)
surgical margin involved by high grade glandular intraepithelial neoplasia in ampullectomy specimen (observable entity)