Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of BRCA1 hereditary breast and ovarian cancer syndrome ?
    ### Response:
    What are the signs and symptoms of BRCA1 hereditary breast and ovarian cancer syndrome? The Human Phenotype Ontology provides the following list of signs and symptoms for BRCA1 hereditary breast and ovarian cancer syndrome. If the information is available, the table below includes how often the symptom is seen in people with this condition.
    