stage | author | year | number of patients | relapse |
---|
Stage IA | Kajiyama [23] | 2008 | 4 | 0% (0/4) |
Satoh [24] | 2010 | 15 | 0% (0/15) |
 | total |  | 19 | 0% (0/19) |
Stage IC | Schilder [22] | 2001 | 5 | 0% (0/5) |
Kajiyama [23] | 2008 | 6 | 17% (1/6) |
Satoh [24] | 2010 | 15 | 33% (5/15) |
 | total |  | 26 | 23% (6/26) |