CD44 and bladder transitional cell carcinoma: In all subtypes of BLCA, the expression of CD44 in basal squamous was significantly higher than that in normal subjects (P = 1.13710000304579e−08), the expression of CD44 in luminal type (P = 3.45430017922865e−10), luminal infiltrated (P = 3.185100e−04), luminal papillary (P = 1.42489999799267e−08) was significantly lower than that in normal subjects.