DEAR DR. ROACH: I am an active male in my 70s and in good health. ANSWER: Scrotal masses are always important and should be evaluated by your doctor as soon as they are discovered. Varicoceles (abnormal dilated blood vessels that are similar to varicose veins) and hydroceles (fluid collections) are common scrotal masses. DEAR DR. ROACH: My eGFR is 48, and my ACR is 130.1 mg/g. — Dr. Roach regrets that he is unable to answer individual letters, but will incorporate them in the column whenever possible.