Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of Marfan syndrome ?
    ### Response:
    What are the signs and symptoms of Marfan syndrome? The signs and symptoms of Marfan syndrome vary widely in severity, timing of onset, and rate of progression. Affected individuals often are tall and lean, have elongated fingers and toes (arachnodactyly), and have an arm span that exceeds body height.
    