Features of synchronous and metachronous dual primary gastric and colorectal cancer

Figure 1  Flow chart of the study.

Figure 2  Interval between the first primary cancer and the second primary cancer.

Figure 3  Distribution of the TNM stage of gastric cancer in the patients whose first primary tumor was colorectal cancer.

Figure 4 Overall survival curves for dual primary gastric and colorectal cancer were analyzed. A: The type of dual primary gastric and colorectal cancer; B: Resection of gastric cancer; C: Resection of colorectal cancer; D: Stage of gastric cancer; E: Stage of colorectal cancer.