Table 2 Royal Marsden staging classification of testicular germ cell tumours
From: Clinical and genetic aspects of testicular germ cell tumours
Stage | Criteria |
|---|---|
I | no evidence of metastases |
IM | no clinical evidence of metastases, but persistent elevation of serum tumour markers AFP and/or hCG |
II | infradiaphragmatic lymph node metastases |
   IIA | metastases <2 cm in diameter |
   IIB | metastases 2-5 cm in diameter |
   IIC | metastases >5 cm in diameter |
III | supradiaphragmatic lymph node metastases; status A, B, C as for stage II |
IV | extra lymphatic metastases |
   L1 | ≤3 lung metastases |
   L2 | >3 lung metastases, all ≤2 cm in diameter |
   L3 | >3 lung metastases, one or more >2 cm in diameter |
   H+, Br+, Bo+ | liver, brain, or bone metastases |