Figure 1.

Stage I gastric cancer treatment trends by percentage, stratified by year of diagnosis; 2004–2008, 2009–2012 or 2013–2016. (A) For patients with stage I disease there was a decreasing trend in receiving surgery alone and an increasing trend in receiving surgery and chemotherapy. The percentage of people receiving trimodality therapy remained roughly stable over this time period. (B) For patients with stage II/III disease there was an increased trend toward the receipt of chemoradiation as well as surgery and chemotherapy. A decreasing trend toward receiving surgery alone. The percentage of people receiving surgery and radiation as well as trimodality therapy remained roughly stable over this 13-year time period. (C) Stage IV gastric cancer treatment trends by percentage, stratified by year of diagnosis; 2004–2008, 2009–2012 or 2013-2016. For patients with stage IV disease there was an increased trend toward the receipt of chemotherapy. Overall surgical treatments declined over this time period in all categories; surgery alone, surgery and chemotherapy, surgery and radiation and trimodality therapy.