The most common type of renal cell carcinoma, characterized by a loss of genetic material of the short arm of chromosome 3. The most common symptom at the time of diagnosis is hematuria. The tumor has a golden-yellow color because of the abundance of intracytoplasmic lipid. This is a clinically aggressive type of renal cell carcinoma. The tumor usually metastasizes to unusual sites and late metastasis is common. [from
NCI]