The two patients (brothers) had in their early childhood contact with asbestos (asbestos blanket). Because of various degree of disease advancement, various methods of treatment were used. One brother was treated with radical surgery followed by radiotherapy; the other brother with more advanced disease underwent palliative treatment using chemotherapy. The patient who underwent surgery has been living for three years now free of tumour relapse, where's in the patient treated with chemotherapy, after partial remission of the disease, a relapse of tumor was observed. Currently, he undergoes symptomatic treatment. The cases above have been presented because the familial occurrence of this neoplasm is extremely rare and to show the possibility of radical surgical treatment of this type of neoplasm which has poor prognosis.