TF and colorectal carcinoma: In Kirsten rat sarcoma viral oncogene homologue (KRAS)‐mutant CRC cells, combination treatment with β‐elemene and cetuximab promoted ferroptosis by alleviating the accumulation of reactive ROS, GSH depletion, and lipid peroxidation, upregulating HO‐1 and transferrin expression, and decreasing the expression of negative regulatory proteins related to ferroptosis.