Multifocal Renal Cell Carcinoma: Clinicopathologic Features and Outcomes for Tumors <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi mathvariant="bold">≤</mml:mi></mml:mrow></mml:math>4 cm : Table 4

]>Multifocal Renal Cell Carcinoma: Clinicopathologic Features and Outcomes for Tumors <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi mathvariant="bold">≤</mml:mi></mml:mrow></mml:math>4 cm : Table 4

Table 4: Cancer-specific survival in patients with multifocal versus solitary RCC. ccRCC = clear cell renal cell carcinoma; pRCC = papillary renal cell carcinoma; NS = not significant.


Author	N multifocal	5 year survival	N solitary	5 year survival	P-value

Dimarco etal. [4]	40 (ccRCC)	74.6%	1934 (ccRCC)	69.0%	.47
Dimarco etal. [4]	29 (pRCC)	100%	237(pRCC)	86.6%	.62
Lang etal. [5]	37	74.0%	218	79.9%	.26
Richstone etal. [7]	51	71.5%^*	938	73.2%^*	NS
Méjean etal. [16]	28 (pRCC)	96%	30 (pRCC)	100%	.53

^*Disease-free survival.