Fig. 1From: High-Mobility Group Box 1 expression predicts survival of patients after resection of adenocarcinoma of the ampulla of VaterImmunohistochemical staining images of HMGB1 expression in adenocarcinoma of the ampulla of Vater. Examples of HMGB1 expression in the nucleus of cancer cells. a No staining (intensity = 1). b Light brown staining (intensity = 2). c Moderate brown staining (intensity = 3). d Dark brown staining (intensity = 4). Scale bars = 100 μmBack to article page