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Table 2 Recurrence and progression in patients with primary PUNLMP

From: Long-term outcome of primary Papillary Urothelial Neoplasm of Low Malignant Potential (PUNLMP) including PUNLMP with inverted growth

  Recur to PUNLMP No. (%) Progress to low grade UC No. (%) Progress to high grade UC No. (%)
Patients with recurrence/progression (N = 38) 17 (45) 18 (47) 3 (8)
Patients with one recurrence 10 12 1
Patients with multiple recurrences (Range) 7 (2 – 6) 6 (2 – 7) 2 (2 – 4)
Median/mean months to recurrence or progression (Range) 13/20 (5 – 78) 47/42 (5 – 87) 31/32 (4 – 61)