Nephroblastoma, also known as Wilms tumor, is a type of cancer that occurs in the kidneys. It is a rare disease that most commonly affects children. While nephroblastoma is the medical term for this type of cancer, there are several synonyms that can be used to describe it. These include Wilms tumor, embryonal renal tumor, and nephroepithelioma. These synonyms are frequently used interchangeably in medical literature and discussions, and all refer to the same type of cancer. It is important to be aware of these synonyms when researching or discussing nephroblastoma to ensure clear communication and understanding of the disease.