NCR2 and lymphoma: HIV-negative lymphoma patients expressed more NKp44/NCR2 than HIV + patients without lymphoma and >300 CD4+ lymphocytes/mm3 (M = 1.48 IQR[1.330-1.690] vs 1.80[1.543-2.115], p = 0.02) or HS (M = 1.75[1.650-2.000], p = 0.002).