_Cancer Research Catalyst_ highlights December's top cancer research articles, focusing on myeloid malignancies, YAP/TAZ in cancer, gastric cancer in El Salvador, gut microbiome's role in lung cancer, colorectal adenoma prediction, breast cancer bone metastasis, CRP's role in lung metastasis, and advancements in pancreatic, breast, urothelial, prostate cancers, and KRAS-driven cancers.