A morphologic variant of urethral adenocarcinoma characterized by the presence of tubulocystic or papillary structures lined with clear cuboidal or hobnail cells. The disease is MONDO_0003387 (urethra clear cell adenocarcinoma). Also known as: clear cell adenocarcinoma of the urethra, clear cell adenocarcinoma of urethra, urethral clear cell adenocarcinoma.