Fig. 4: Tumor thrombus grade predicts metastatic outcome.
From: Determinants of renal cell carcinoma invasion and metastatic competence

a Metastatic sites in RCC patients with TT in this cohort. b Tissue architectural patterns are for TT. c Grade distribution in TTM compared to TTNM. d Metastasis-free survival of patients with grade 3 PT classified according to TT grade. Kaplan–Meier (log rank) test. e Illustration highlighting higher metastatic incidence in RCC patients with high TT grade.