<prompt> Which one of the following surgical procedures is considered to have a clean- contaminated wound?Elective open cholecystectomy for cholelithiasisHerniorrhaphy with mesh repairLumpectomy with axillary node dissectionAppendectomy with walled off abscess  <response>: .Elective open cholecystectomy for cholelithiasis is clean contaminated Hernioplasty and mastectomy or clean Appendicetomy with controlled infection is contaminated, 