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Table 5 Response rate by proportion of papillary and sarcomatoid features

From: High-dose interleukin2 – a 10-year single-site experience in the treatment of metastatic renal cell carcinoma: careful selection of patients gives an excellent outcome

  None <10 % 10–30 % >30 %
Papillary N = 105 N = 27 N = 3 N = 8
 ORR 43 (40.9) 14 (51.9) 2 (66.7) 1 (12.5)
 CRR 20 (19.0) 6 (22.2) 2 (66.7) 0
Sarcomatoid N = 125 N = 12 N = 6 N = 2
 ORR 56 (44.8) 6 (50.0) 0 0
 CR 28 (22.4) 2 (16.7) 0 0