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Photomicroscopy of the specimen showing large areas of cartilaginous tissue surrounded by spindle cell stroma and areas of tumour osteoid production. (Haematoxylin and Eosin stain x 400)

Photomicroscopy of the specimen showing large areas of cartilaginous tissue surrounded by spindle cell stroma and areas of tumour osteoid production. (Haematoxylin and Eosin stain x 400)