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The patient is a 52-year-old female who presented to her primary care physician with presyncopal symptoms, nausea, and vomiting. A further history of right flank pain, intermittent hematuria, and weight loss of approximately 20 lb. over the past year was also elicited. Her past medical history includes alcoholic cirrhosis, diabetes mellitus type II, and thyroid surgery with thyroid hormone replacement therapy.
What is the anatomical location of this tumor?Kidney?If so,the histomorphologic and immunohistochemical characteristics of this neoplasm may favor a diagnosis of Collecting Duct Renal Cell Carcinoma(CDRCC),but may exclude a metastatic carcinoma.