Recent cancer treatment advancements include a stage 4 breast cancer patient achieving complete remission through immunotherapy and a Scottish woman receiving a personalized mRNA cancer vaccine. Key players in these advancements include Oncolytics Biotech Inc., Cargo Therapeutics, Inc., Immuneering Corporation, RenovoRx, Inc., and Repare Therapeutics Inc. Oncolytics Biotech highlights 2024 achievements and prepares for 2025 with promising breast and GI cancer data.