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Chagas' (-Mazza) disease (chronic) B57.2
    with
        cardiovascular involvement NEC B57.2
        digestive system involvement B57.30
            megacolon B57.32
            megaesophagus B57.31
            other specified B57.39
        megacolon B57.32
        megaesophagus B57.31
        myocarditis B57.2
        nervous system involvement B57.40
            meningitis B57.41
            meningoencephalitis B57.42
            other specified B57.49
        specified organ involvement NEC B57.5
    acute (with) B57.1
        cardiovascular NEC B57.0
        myocarditis B57.0