From: Immunohistochemical assessment of a unique basal pattern of p53 expression in ulcerative-colitis-associated neoplasia using computer-assisted cytometry
Grade of p53 basal positivity
UC-IIa (%)
UC-IIb (%)
UC-III (%)
(n = 278)
(n = 63)
(n = 86)
Grade 1
74 (26.6)
16 (25.4)
2 (2.3)
Grade 2
76 (27.3)
8 (12.7)
3 (3.5)
Grade 3
128 (46.1)
39 (61.9)
81 (94.2)