In this task, you are given a sentence in the Japanese language and your task is to convert it into the English language. In translation, keep numbers as it is and make it sentence case (capitalize only the first word of each sentence and noun).

１月２７日に治癒した骨の１つに鉄製のピンを２つ埋め込む更なる手術が必要とされていた。
Further surgery was required on January 27 to insert two steel pins into one of the healed bones.