進行 しんこう せい骨化 こっか せい線維 せんい 形成 けいせい しょうであれば
shinkō sei kokka seisen ii keisei shōdeareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 進行性骨化性線維異形成症

1. If/when progressive ossifying fibrodysplasia is present.; If it were progressive ossifying fibrodysplasia.

Ba Conditional