Which of the Following Is a Characteristic of a Hematoma

Mr. Santos, a 60-year-old Male, Underwent Abdominal Surgery for a Perforated Appendix. the Surgical Wound Was Closed Using Sutures. on the Third Postoperative Day, Mr. Santos Complains of Increasing Pain and Swelling at the Surgical Site. on Assessment, You Note a Firm, Tender and Localized Swelling with Discoloration. You Suspect the Formation of a Hematoma or Seroma