Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) congenital insensitivity to pain with anhidrosis ?
    ### Response:
    Congenital insensitivity to pain with anhidrosis (CIPA) has two characteristic features: the inability to feel pain and temperature, and decreased or absent sweating (anhidrosis). This condition is also known as hereditary sensory and autonomic neuropathy type IV.
    