拜託!!請幫我翻譯!!!!(英文翻中文)

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PROGNOSIS
The prognosis depends on the type and stage of disease, the number of sites of extra nodal spread, invasion of the CNS and the patient’s general condition. Patients with lymphomas of high histopathologic grade and recurrent or disseminated disease have the worst prognosis. Two-third of the patients remain in the remission phase after initial therapy. In one-third of the patients diseases relapse and three-fourth of these patients die of the disease. The cumulative five-year survival
rates are about 30% for all the types, 55% for diffuse large B-cell lymphoma, 33% for peripheral T-cell lymphoma, and 20% for angiocentric lymphoma. Five-year overall and event-free survival rates after treatment are 52% and 50%, respectively.Ten-year survival is relatively better for the patients with Waldeyer’s ring non-Hodgkin’s lymphoma than for individuals with oral-sinonasal non-Hodgkin’s lymphoma.In contrast to results of Asian studies in which nasal NK/T-cell lymphoma has a very poor prognosis, American studies report that nasal NK/Tcell lymphomas have an outcome similar to that of DLBCL.Conventional combined treatment (CHOP chemotherapy +radiotherapy) is ineffective for the NHL of the sino-nasal tract(especially NHLs of the nasal cavity), NHLs with tumor cells positive for T-cell markers, NHLs with stage higher than Stage IIE and NHLs with B symptoms.