(S (S (PP (BASENP (NN １) (NN 月) (NN ２７) (NN 日)) (IN に)) (S (PP-SBJ (NP (S-NSBJ (VP (PP (NP (PP (NP (S-REL-NSBJ (VP (VP (NN 治癒) (VBV し)) (VP (MD た)))) (NN 骨)) (IN の)) (NN １つ)) (IN に)) (VP (PP-OBJ (NP (PP (BASENP (NN 鉄製)) (IN の)) (NN ピン)) (IN を)) (VP (BASENP (NN ２つ)) (VB 埋め込む))))) (BASENP (DT 更なる) (NN 手術))) (IN が)) (VP (PP (BASENP (NN 必要)) (IN と)) (VP (VP (VP (VBO さ) (VP (VBV れ))) (INTE て)) (VP (VBV い) (VP (MD た))))))) (PERIOD 。))
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 .