During a digital rectal exam (DRE) on an older male with urinary hesitancy, the nurse practitioner notes the absence of the median sulcus and a firm, nodular prostate. Based on this finding, which is the most appropriate interpretation?
A:This is a normal finding during a DRE
B:It is likely the result of a prostate infection
C:Follow-up for prostate cancer is recommended
D:This is due to a benign enlargement of the prostate