Epilepsy, Idiopathic Generalized 3, also known as idiopathic generalized epilepsy 3, is related to estrogen-receptor negative breast cancer and breast lobular carcinoma. An important gene associated with Epilepsy, Idiopathic Generalized 3 is EIG3 (Epilepsy, Idiopathic Generalized, Susceptibility To 3), and among its related pathways/superpathways are Chks in Checkpoint Regulation and Mitotic G1 phase and G1/S transition. Related phenotypes are seizure and cutaneous photosensitivity