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To prove clinical benefits of cancer vaccine is currently difficult, except for one phase III trial has documented improved overall survival with the vaccine, Sipuleucel‑T, although induction of anti-tumor immune responses through cancer vaccine is theoretically promising and would be straightforward. In contrast, immune checkpoint blockade with anti-CTLA4 mAb and anti-PD‑1 mAb has demonstrated clear evidence of objective responses including improved overall survival and tumor shrinkage, driving renewed enthusiasm for cancer immunotherapy in multi­ple cancer types. In addition, there is a promising novel cancer immunotherapy, CAR therapy—a personalized treatment that involves genetically modifying a patient’s T- cells to make them target tumor cells. We are now facing new era of cancer immunotherapy.