Figure 3From: Multiple primary malignancies involving primary sporadic colorectal cancer in Japan: incidence of gastric cancer with colorectal cancer patients may be higher than previously recognized Comparison of the age distributions between all patients with colorectal cancer (top panel) and patients with colorectal cancer with synchronous gastric cancer (bottom panel). The age distribution of all patients with colorectal cancer peaked in the 70 to 74Â years age range (211 of 1,111 patients). By contrast, that of patients with colorectal cancer with synchronous gastric cancer formed two peaks; among individuals 60 to 64Â years old (7 of 152 patients) and among those 80Â years or older (6 of 157 patients). CRC, colorectal cancer; GC, gastric cancer.Back to article page