Prognostic value of lymph node ratio in children with wilms tumor: a systematic review and meta-analysis
Lymph node (LN) involvement is a critical determinant of staging and prognosis in Wilms tumor (WT). However, conventional binary nodal staging (positive vs. negative) is often compromised by significant variability in surgical lymph node sampling. The lymph node ratio (LNR), which integrates metastatic burden and s...