In contrast, the presence of 5T4 on the cell membrane of a variety of solid carcinomas has been demonstrated.11, 14, 15, 16 Furthermore, expression of 5T4 is confirmed to be associated with advanced disease and worse clinical outcome in at least NSCLC, and gastric, ovarian, and colorectal carcinomas. Here, TPBG is linked to non-small cell lung carcinoma.