Table 2 distribution within the pT1b group (tumor size ≥3 cm) of classically defined high risk features in stage I seminoma (RTI and tumor size > 4 cm – Fig. 2 a) and b), respectively), that are not formally part of the staging criteria, but are frequently used to guide clinical decision regarding surveillance vs adjuvant treatment

From: Clinical implications of the American Joint Committee on Cancer (AJCC) 8th edition update in seminoma pT1 subclassification