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Table 2 Tumor size of ccRCC in each morphology

From: Tumor grade of clear cell renal cell carcinoma assessed by contrast-enhanced computed tomography

  Range (cm) Mean ± standard deviation
Cystic 1.3 - 7.7 4.1 ± 1.5
Well-circumscribed 1.1 - 13.4 3.9 ± 2.1
Lobulated† 4.2 - 14.5 8.0 ± 2.6
Infiltrative‡ 3.8 – 17.2 10.7 ± 3.0
  1. There is no significant difference in size between cystic and well-circumscribed ccRCC (P = 0.75). †Lobulated ccRCC was significantly larger than well-circumscribed ccRCC (P <0.0001). ‡Infiltrative ccRCC was significantly larger than lobulated RCC (P = 0.00023).