What Is the Appropriate Nursing Action for Wound Assessment and Documentation in This Case

Mr. Santos, a 60-year-old Male Patient with Diabetes, Was Admitted to the Medical-surgical Ward with a Stage 3 Pressure Ulcer on His Sacrum. the Wound Is 4 Cm X 3 Cm in Size and with Moderate Serosanguinous Drainage. the Patient Reports Pain at the Wound Site