clear-cell adenocarcinoma clear-cell adenocarcinoma clear-cell adenocarcinoma is a type of adenocarcinoma that shows clear cells. clear-cell adenocarcinomamicrograph of an ovarian clear-cell adenocarcinoma. h&e stainspecialtyoncology types include: clear-cell adenocarcinoma of the vagina ovarian clear-cell carcinoma uterine clear-cell carcinoma clear-cell adenocarcinoma of the lung (which is a type of clear-cell carcinoma of the lung).