Low Grade Lymphoma Mimicking Metastatic Urothelial Carcinoma: When Do We Need Further Histologic Staging?

Figure 1

(a) Bladder mass, before chemotherapy. (b) Pelvic lymphadenopathy, before chemotherapy. (c) 100x: biopsy of bladder, before chemotherapy, and surface papillary component of the tumor. (d) 200x: biopsy of bladder, before chemotherapy; shown here are invasive malignant cells.

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