A 59-year-old male present with left ankle pain and drainage 3 years after surgery for a traumatic injury to the left ankle. He notes worsening pain over the past year. On examination ankle range of motion is limited to a 10-degree arc of motion with erythema and serous drainage from an anterior ankle incision. Figures A and B are his current radiographs. The patient requests a discussion of limb salvage surgery. Of the following, which is the best surgical plan for his condition?