Figure 1.
Treatment and timeline of the case. (A) 2014-03-12: right nephrectomy. (a2) The pathology of the right kidney showed renal clear cell carcinoma with no breakthrough in the renal capsule (HE, ×200). (B) 2016-03-14: bilateral upper pneumonectomy. (b1) The CT scan showed bilateral upper nodules. (b2) The pathology of the upper pulmonary was metastasis of renal clear cell carcinoma (HE, ×200). (C) 2017-01-14: left nephrectomy. (c1) The CT scan showed a mass of the left kidney. (c2) The pathology of the left kidney was a metastasis of renal clear cell carcinoma (HE, ×200).