Adult Wilms Tumor: A rare case report from tertiary hospital in Bandung, West Java, Indonesia.

This case report presents a 38-year-old male patient who presented with a chief complaint of shortness of breath and a palpable mass in his left flank. The patient underwent a radical nephrectomy, and subsequent histopathological examination of the resected specimen, raised a strong suspicion of Adult Wilms Tumor (AWT). To further characterize the tumor and confirm the diagnosis, a comprehensive panel of immunohistochemical stains was performed and concluded as AWT. Wilms tumor primarily affect children, they are exceptionally rare in adults. Currently, no standardized management guidelines exist for AWT. This case report highlighting diagnostic challenges in identifying AWT.