PART I RNA Epigenetics, RNA modifications in cancer metabolism and tumor microenvironment -- RNA modifications in cancer stem cell biology -- Recent advances of RNA m6A modifications in cancer immunoediting and immunotherapy -- Recent advances in RNA m6A modification in solid tumors and tumor immunity -- Recent advances in adenosine-to-inosine RNA editing in cancer -- RNA modification in hematopoietic malignancies -- PART II Histone Epigenetics, The SWI/SNF complex: A frequently-mutated chromatin remodelling complex in cancer -- Histone readers and their roles in cancer -- Polycomb repressive complex 2 in oncology -- Epigenetic (de)regulation in prostate cancer -- PART III DNA Epigenetics, TET methylcytosine dioxygenases in cancer -- Inferring the cancer cellular epigenome heterogeneity via DNA methylation patterns.