Tom Contos is an avid runner. When he started experiencing rectal bleeding in March, he thought exercise could be the cause and tried to ignore it. But he became increasingly worried when the ...

In patients undergoing colonoscopy to screen for colorectal ... "serrated" polyps—a type of precancerous lesion that can be difficult to detect, reports a study in the online first edition ...

According to Contos' medical record, the gastroenterologist who performed his colonoscopy described it as "not difficult." He biopsied and removed small growths called polyps from two spots and ...

According to Contos' medical record, the gastroenterologist who performed his colonoscopy described it as "not difficult." He biopsied and removed small growths called polyps from two spots and ...