MUC1 and neoplasm: Selected sections of the tumour were immunostained using the labelled CD34 (QBEnd-10; Dako), vimentin (Novocastra – Liquid mouse monoclonal antibody), desmin (Novocastra – Liquid mouse monoclonal antibody), CD31 (Novocastra – Lyophilized mouse monoclonal antibody), alpha – smooth muscle actin (Novocastra - Lyophilized mouse monoclonal antibody), epithelial membrane antigen (Novocastra - Liquid mouse monoclonal antibody), S-100 protein (Novocastra – Liquid mouse polyclonal antibody) and MUC1 (Novocastra – Lyophilized mouse monoclonal antibody).