CRP and prostate cancer: With regard to cancer risk, studies have also documented associations of higher CRP concentrations with increased risks of cancers of the lung [29, 30], breast [31] and colorectum [32], but not prostate cancer [33], and of elevated HbA1C levels with increased risks of endometrial, renal, colorectal, gastric, pancreatic, breast, liver and respiratory cancers [34–36].