Final answer:
The ulcer is a stage 3 pressure ulcer that involves subcutaneous tissue.
Step-by-step explanation:
This ulcer is a stage 3 pressure ulcer. In stage 3, the ulcer extends into the subcutaneous tissue and may involve supporting structures such as muscle and bone. The ulcer in this case is 5 cm long by 2.5 cm wide and 1.5 cm deep, which indicates involvement of the subcutaneous tissue. The base of the wound being beefy red and yellow and involving subcutaneous tissue also supports the classification as a stage 3 ulcer.
Learn more about stage 3 pressure ulcer