In fact, hereditary cancers are very rare, unless they are caused by individual gene mutations, such as neuroblastoma. Hereditary cancer is accompanied by other abnormalities, such as low immune function; 5. Hereditary cancer can generally detect mutations and genetic abnormalities in body cells. Hereditary cancers are rare, such as liver cancer, lung cancer and gynecological tumors, which are rarely hereditary and are basically not hereditary cancers.