Figure 2.
In almost all of the carcinomas studied, the intensity of phosphorylated (activated) signal transducer and activator of transcription (p-STAT3) expression was stronger in the deeper parts of invasion than in the superficial areas. (A) Expression of p-STAT3 in a carcinoma invading the submucosa (original magnification, ×60). (B) (original magnification, 60×). Expression of p-STAT3 in a carcinoma invading the muscularis propria. (C) Expression of p-STAT3 in a carcinoma invading the subserosa (original magnification, ×60).