十二指腸 じゅうにしちょう潰瘍 かいようだったら
ijūni shi chōkaiyōdattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 胃十二指腸潰瘍

1. If/when it's a gastric/duodenal ulcer:

Tara Conditional