Healthy Volunteers, Absorption, Distribution, Metabolism and Excretion (ADME) Study With Single Oral Administration of [14C] AZD8931

Inclusion Criteria: * Have a body mass index (BMI) of ≥19 and ≤30 kg/m2 and weight of ≥50 kg and ≤100 kg. * Regular daily bowel movements (ie, production of at least 1 stool per day). * Non-smokers or ex-smokers who have stopped smoking for \>3 months before Visit 1 and have not used nicotine products for \>3 months * Healthy Male volunteers aged 50 to 65 years, inclusive Exclusion Criteria: * Healthy volunteers who have been exposed to radiation levels above background (eg, through X-ray examination) of \>5 mSv in the last year, \>10 mSv in the last 5 years, or a cumulative total of \>1 mSv per year of life * Participation in any prior radiolabelled study within 12 months of the screening visit (Visit 1). * History of alcohol abuse or excessive intake of alcohol defined as regular weekly intake of 28 units of alcohol or more (1 unit=25 mL spirits, 125 mL wine, 250 mL beer or lager)