limited scleroderma prognosisdiffuse scleroderma prognosissystemic scleroderma prognosissystemic sclerosis prognosisdiffuse systemic sclerosis prognosisprognosis for cholangiocarcinomaneurofibromatosis prognosispsoriasis prognosismyasthenia prognosismesothelioma prognosisasbestosis prognosismyeloma treatment and prognosis