Figure 1From: Clinical significance of subepithelial growth patterns in non-muscle invasive bladder cancer Representative pathological findings with subepithelial growth patterns. (A) An endophytic growth pattern (black arrowheads) is observed with a low-grade papillary growing tumor. (B) A high-grade tumor with Brunn's nests. Carcinoma in situ is seen on the surface epithelium (red arrowheads). The right panel represents a magnification of the box marked in the left panel.Back to article page