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Table 2 Therapeutic outcome of CCSK from NWTS studies

From: Clear cell sarcoma of the kidney in a 62-year-old patient presenting with generalized pruritus

Report Year Study n RFS EFS OS
Green [61] 1994 NWTS 1–2 NWTS 3 66
73
25–63.5%(6y) 58.2–64.4%(6y) NA
NA
25–71.9(6y) 60.8–71.3%(6y)
Seibel [63] 2004 NWST 4 86 65.2–87.8%(5y) 60.6–87.8%(8y) NA
NA
87.5–95.5%(5y) 85.9–87.5%(8y)
Seibel [64] 2004 NWST 5 110 NA 79%(5y) 89%(5y)
Seibel [65] 2019 NWST 4 NWST 5 68
108
NA
NA
72%(5y) 79%(5y) 87%(5y) 90%(5y)
  1. CCSK clear cell sarcoma of the kidney, NWTS National Wilms Tumor Study, RFS relapse-free survival, EFS event free survival, OS overall survival, NA not available