Editorial for the Special Issue "Current Research on Cancer Biology and Therapeutics: 2nd Edition".

In the second edition of this Special Issue, several promising antitumor strategies have been presented in addition to those reported in the first edition, in which several compounds (acetylcorynoline, BaP1, sarco/endoplasmic reticulum calcium ATPase inhibitors, neuropeptide Y, neuropeptide Y antagonists, neurokinin-1 receptor antagonists) exerting antitumor effects against colorectal cancer, papillary thyroid carcinoma, cholangiocarcinoma, Ewing sarcoma, liver cancer, and breast cancer were reported [...].