Perinephric fat invasion (PFI) is a key component of renal cell carcinoma (RCC) staging, but there are limited data pertaining to biopsy tract seeding (BTS) resulting in perirenal tissue involvement… Click to show full abstract
Perinephric fat invasion (PFI) is a key component of renal cell carcinoma (RCC) staging, but there are limited data pertaining to biopsy tract seeding (BTS) resulting in perirenal tissue involvement [BTS with perinephric fat invasion (BTS‐P)].The aim is to correlate clinical outcomes with pathologic stage to determine whether the presence of BTS‐P should be considered a criterion to stage RCC as part of the pT3a category in the absence of any other upstaging variables.
               
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