| CEA, carcinoembryonic antigen; *, standard of the ascites grading was as followed: Grade 0, no ascites; Grade 1, mild, only visible on ultrasound and CT; Grade 2, detectable with flank bulging and shifting dullness; Grade 3, directly visible, confirmed with the fluid wave/thrill test; **, standard of the performance status was as followed: 0, asymptomatic (fully active, able to carry on all pre-disease activities without restriction); 1, symptomatic but completely ambulatory; 2, symptomatic, <50% in bed during the day; 3, symptomatic, >50% in bed, but not bedbound; 4, bedbound (completely disabled, cannot carry on any self-care); ***, only 344 patients received palliative gastrectomy, including 296 in the Cancer Center of Sun Yat-sen University and 48 in the Sixth Affiliated Hospital of Sun Yat-sen University. |
