NT5E and ocular melanoma: Our results revealed that cellular expression percentage of CD73 amounted to 56.2, 45.2, 42.9, 46.7% in SC, PR, OM and IPFP, respectively, whereas the expression percentage of CD90 was 58.9, 53.2, 53.4, and 54.9%, and the percentage of CD105 positive cells was 30.1, 25.8, 29.1, and 27.6%, respectively.