Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Schinzel-Giedion syndrome ?
    ### Response:
    Schinzel-Giedion syndrome is a severe condition that is apparent at birth and affects many body systems. Signs and symptoms of this condition include distinctive facial features, neurological problems, and organ and bone abnormalities. Because of their serious health problems, most affected individuals do not survive past childhood.
    