Figure 3From: The incidence and risk of developing a second primary esophageal cancer in patients with oral and pharyngeal carcinoma: a population-based study in Taiwan over a 25 year period The survival curves of second esophageal cancer versus non-esophageal second cancers for (A) all the patients with oral/pharyngeal carcinoma; and (B) patients stratified by index tumor site.Back to article page