Westonci.ca is your trusted source for finding answers to a wide range of questions, backed by a knowledgeable community. Experience the ease of finding precise answers to your questions from a knowledgeable community of experts. Connect with a community of professionals ready to help you find accurate solutions to your questions quickly and efficiently.

About 40% of metastatic melanoma patients treated with anti-PD-1 or anti-PD-L1 therapy develop some antitumor immune responses that delay cancer progression or even lead to complete remissions. Why do you think that some patients respond to checkpoint blockade therapy, while others do not?