Fig. 1

Surgical specimen of previous nephroureterectomy exhibiting a high grade urothelial carcinoma with conventional pattern (HE) (a) positive for CK7 (b). Interphase between conventional urothelial carcinoma and glandular pattern (HE) (c). Areas with glandular pattern (HE) (d). CDX2 (e). AFP (f). GLP3 (g). SALL4 (h) in areas with glandular pattern