DCAMKL1 expression in the dilated glands with dysplasia. (a) An H&E-stained section, showing cystic dilation of glands. (b) Expansion of SPEM. Arrows indicate segmental expression of TFF2 in the dilated glands. (c) Expression of DCAMKL1 in the dilated gland. (d-f) Serial sections of the dilated gland for TFF2 (d), DCAMKL1 (e) and DCAMKL1 with PCNA (f). Scales: 100 μm.