Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of Gardner-Diamond syndrome ?
    ### Response:
    What are the signs and symptoms of Gardner-Diamond syndrome? People with Gardner-Diamond syndrome have reported that bruises occur either spontaneously or after trauma or surgery (even at other sites of the body). Some people are able to pinpoint exactly when the bruising occurred, while others are not.
    