| http://www.w3.org/ns/prov#value | - Progression to carcinoma occurred in 1 (1%) of 93 patients with SH, in 1 (3%) of 29 patients with CH, in 1 (8%) of the patients with SAH, and in 10 (29%) of the patients with CAH. The differences between the four subgroups suggest a trend but are not statistically significant.
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