However, positive UCHL5 expression was a significant prognostic factor in both uni- and multivariable analysis in subgroups of patients with disease stages I-II (p = 0.028 and p = 0.001, respectively; S1 Table), and in patients with small (<5 cm) tumor size (p = 0.001 and p <0.001, respectively; S2 Table). Here, UCHL5 is linked to neoplasm.