Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Hardikar syndrome ?
    ### Response:
    Hardikar syndrome is a very rare multiple congenital malformation syndrome characterized by obstructive liver and kidney disease, intestinal malrotation, genitourinary abnormalities, cleft lip and palate, pigmentary retinopathy (breakdown of the light-sensing tissue at the back of the eye), and congenital heart defects.
    