Breast Cancer Metastasis in a Renal Carcinoma Pulmonary Metastasis: A Rare Example of Tumor-to-Tumor Metastasis

Table 1

Clinical cases of breast carcinoma to renal cell carcinoma tumor-to-tumor metastasis described in the literature.

Gender	Age (years)	Donor histology	Receipt histology	Location	Reference
Female	79	Invasive ductal carcinoma	Clear cell renal cell carcinoma	Right kidney	[6]
Female	62	Invasive ductal carcinoma	Clear cell renal cell carcinoma	Right kidney	[7]
Female	71	Invasive ductal carcinoma	Clear cell renal cell carcinoma	Right kidney	[8]
Female	74	Invasive ductal carcinoma	Chromophobe renal cell carcinoma	Right kidney	[9]
Female	43	Invasive ductal carcinoma	Clear cell renal cell carcinoma	Left kidney	[10]
Female	57	Invasive lobular carcinoma	Clear cell renal cell carcinoma	Right kidney	[11]