title: How early to test for a cancer-causing germline mutation.
authors: Henry T
authors: HT
authors: Lynch
authors: Jane F
authors: JF
authors: Lynch
mesh_terms: D000293:Adolescent; D000367:Age Factors; D004252:DNA Mutational Analysis; D005817:Genetic Counseling; D005820:Genetic Testing; D018095:Germ-Line Mutation; D017408:Guidelines as Topic; D006801:Humans; D007258:Informed Consent; D009369:Neoplasms / Q000235:genetics*