TNN and squamous cell carcinoma: Anti-tenascin-C and anti-tenascin-W both immunolabel the stroma of poorly (n = 3), moderately (n = 4) and well differentiated adenocarcinomas (n = 2), as well as the stroma of a single squamous cell carcinoma (Figure 3D) and a single mucinous carcinoma (Figure 3E).