Table 1

Antibodies used for immunohistochemistry

Antigen (clone)SourceDilution
Cytokeratin 7 (OV-TL 12/30)Novocastra, Newcastle upon Tyne, UK1/50
Cytokeratin 20 (Ks 20.8)Novocastra1/50
p53 (DO-7)Dako, Kyoto, Japan1/50
HGM-45M1 (NCL-HGM-45M1)Novocastra1/50