TSPO and adenocarcinoma: Tspo mRNA was localized in the cytoplasm of cuboidal to low columnar epithelial cells lining glands and in the collagen fibres of the fibromuscular stroma and in the nuclei and cytoplasm of lymphocytes and endothelial cells lining blood vessels of the fibromuscular stroma of Grade II adenocarcinoma of the peripheral duct and acini (Figure 1E,F).