C.albicans isolated in this case showed sensitive to all antifungals,
including voriconazole and fluconazole. But we experienced the
emergence of fungus balls. This case reminds us the most important
key when choosing antifungals. That is we should select antifungals
from various angles, not only from sensitivity test alone, but also
from their excretion route, tissue distribution, rate of adverse effect,
and so on