Table 3.

Spearman correlation of iron levels in the tumor microenvironment (TME)/stroma versus epithelium of the same RCC patient tissue specimen.

Tissue site	Epithelial Iron vs. TME/Stromal Iron (H-Score)
	All RCC		ccRCC		Non-ccRCC
	Spearman coefficient	p-value	Spearman coefficient	p-value	Spearman coefficient	p-value
Primary tumor	0.64	<0.001	0.62	<0.001	0.81	<0.001
Benign kidney	0.47	<0.001	0.43	<0.001	0.69	<0.001
Metastasis	0.65	<0.001	0.66	<0.001	1.0	<0.001

Bold p-values signify statistical significance.