26. Choose the correct statement.a) in mesothelioma the cytopathological diagnosis does not need to be confirmed by histological examinationb) malignant schwannoma rarely reoccurs and does not metastasizec) multinucleated giant cells can appear in both benign and malignant synovial tumorsd) reticulin and collagen fibers arranged in waves or swirls in the tumor structure is characteristic of squamous cell carcinomae) "keratotic pearls" (concentrically arranged keratin) from the tumour mass are characteristic of fibrosarcoma

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