Table 1.

Definition of “R” and “D”. R refers to the type of resection carried out. D refers to the extent of the lymph node dissection

R0	Curative resection without residual disease
R1	Resection with curative intention but with microscopic residual disease
R2	Palliative resection with macroscopic residual disease
D1	Resection of tumor and adjacent nodes only
D2	Resection including coeliac and perigastric nodes up to >3 cm of the primary T