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: ???cTNM?cTNM????????pathological stage groupingpTNM?pTNMcTNM??pTNM????????????????b??A ????????[20-22]?????????????????4?????[23-27](???a)??????8cm?CT??????[27]???????[28]??2%?1%~2%[29-31]???[32-38]??B ?(nephron sparing surgeryNSS) ???????NSS??B?[39-42](???a)NSS????0.5~1.0cm(???IIa)[43-45]EAU?????...