We now know that Pax-5 expression is found in a variety of cell types and non-lymphoid cancers such as: neuroblastoma, rhabdomyosarcoma, merkel- and small-cell carcinomas, oral carcinomas, colorectal carcinoma, neuroendocrine carcinoma, bladder carcinoma, lung carcinoma, liver carcinoma (reviewed in [22]). This evidence concerns the gene PAX5 and lung carcinoma.