Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Congenital lobar emphysema ?
    ### Response:
    Congenital lobar emphysema is a rare respiratory disorder in which air can enter the lungs but cannot escape, causing overinflation (hyperinflation) of the lobes of the lung. It is most often detected in newborns or young infants, but some cases do not become apparent until adulthood.
    