tokens: However , 46 patients ( 18.70 % ) with advanced lesions underwent neoadjuvant chemotherapy followed by surgical excision and more extensive orbital lesions were treated by exenteration followed by adjuvant chemotherapy ( n=48 ; 19.51 % ) , while patients with metastatic tumor were given palliative chemotherapy / external beam radiation therapy ( n= 46 ; 18.70 % ) .