NECTIN4 and sarcomatoid carcinoma: Nectin-4 positivity according to histological type was 68.2% in UC, 70% in squamous cell carcinoma, 66% in adenocarcinoma, 28% in patients with micropapillary variants, 50% in those with nested variants, 63% in those with plasmacytoid variants, and 10% in those with sarcomatoid carcinoma [25].