SCC of the Anal Margin
•
Risk of lymph node metastasis is related to
tumour size:
Tumour size
% Node Metastasis
Papillon & Chassard ( 1992 ) Cummings et al ( 1986 )
< 2cm
0 %
2 – 5 cm
24 %
> 5cm
67 %
25 %