Pathologically confirmed NK/T-cell lymphoma

Localized (Ann Arbor stage I/II) disease

At least one measurable lesion

Age \> 18

ECOG performance status 0 - 2

Expected life span of at least 12 weeks

Normal marrow function (hemoglobin ≥ 9.0 g/dL; absolute neutrophil count ≥ 1,500/mm3; platelet count ≥ 100,000/mm3)

Normal liver function (total bilirubin \< 2x upper limit of normal \[ULN\], transaminase \< 3x ULN)

Normal renal function (serum creatinine ≤ 1.5 mg/dL, creatinine clearance ≥ 50 mL/min)

Written informed consent

Clinical Study of Chemoradiation Followed by VIPD in Nasal Natural Killer (NK)/T-cell Lymphoma