Table 2. Total proportion of recurrences or deaths of R any patients base on Masaoka-Koga staging system.

Masaoka-Koga	Recurrences			Deaths
	%	N		%	N
I	3	17/602		1	8/618
II	7	14/200		3	5/200
III	16	49/308		5	16/319
IVa	35	8/23		4	1/23
IVb	32	12/38		24	9/38
Total	9	100/1,171		3	39/1,198