Although the situation as regards the previous years has not varied too much, some positive findings, such as the emergence of research groups, increasing presence of multicentre and multidisciplinary studies, better access to sources of finance, etc, suggest that we are in a process of improving the quality of research in primary care.

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Prognosis, recurrence, and malignant potential of this tumor are unclear, and controversy exists in the literature on this subject. Thus, although we think this is a benign tumor, we advise follow-up as if it were a low-grade urothelial tumor.

No abstract