Evolution of gastric surgery techniques and outcomes

Cancer Communications

Table 1 Randomized trials of lymph node dissection in patients with gastric cancer: D1 vs. D2

References	Dissection type	No. of patients	Morbidity (%)	Mortality (%)	5-year OS rate (%)	15-year follow-up (%)
References	Dissection type	No. of patients	Morbidity (%)	Mortality (%)	5-year OS rate (%)	OS rate	Local RR	Regional RR
Cuschieri et al. [10, 11]	D1	200	27.5	6.5	35.0	–	–	–
Cuschieri et al. [10, 11]	D2	200	46.0	13.0	33.0	–	–	–
Bonenkamp et al. [12–14]	D1	380	24.7	3.9	45.0	21.6	21.6	19.2
Bonenkamp et al. [12–14]	D2	331	42.9	9.7	47.0	27.8	12.1	13.0
Degiuli et al. [18, 19]	D1	133	12.0	3.0	66.5	–	–	–
Degiuli et al. [18, 19]	D2	134	17.9	2.2	64.2	–	–	–

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