Additional file 1: Figurre S1. Specificity of HAI-1 antibody. To confirm the specificity of HAI-1 immunoreactivity, representative negative control (non-specific IgG) photos of weakly HAI-1-positive cases are shown. A, Non-neoplstic duct epithelium. B, PDAC cells with weak HAI-1 immunoreactivity.
Funding
Ministry of Education, Culture, Sports, Science and Technology