IDH1 and chondrosarcoma: Although, in our experience, conventional chondrosarcoma areas constitute a minor component of clear cell chondrosarcoma, no exact percentages for the amount of conventional chondrosarcoma areas within clear cell chondrosarcoma are available.1, 2 Therefore, we cannot completely rule out the possibility that the two IDH wild‐type cases represent clear cell chondrosarcoma with an abundant conventional chondrosarcoma component.