[Genetic counseling and clinical genetics services for cancer prone kindreds]

Gene testing elucidates the identification of heterozygous carrier for hereditary cancer and the needs for genetics services are increasing in cancer hospitals. Genetic services include educational explanation for the disease and Mendelian inheritance, risk assessment, orientation for gene testing, post-test counseling for cancer prevention and psychosocial issues, and support services. This review outlines how they are performed in the clinic of cancer hospital.