Figure 2.

Examples of the different immunostaining patterns obtained using the antibody clones 22-1-1 and Ab-1 in various adenocarcinomas. Signet ring cell gastric carcinoma (a, b; magnification × 80). Colorectal adenocarcinoma (c, d; magnification × 60). Lymph node metastasis (e, f; magnification × 50). Prostatic adenocarcinoma (g; magnification × 60) and (h; magnification × 50): Adenocarcinoma of the lung (i, j; magnification × 60).