You are about to position a patient admitted to the hospital with a diagnosis of chronic obstructive pulmonary disease (COPD) who developed a stage III decubitus ulcer over the right ischial tuberosity. The most appropriate position for the patient is:
1. Supine with pillows under the knees
2. Prone with pillows under the knees
3. Left side-lying with pillows between the knees
4. Right side-lying with pillows between the knees
The solution will be posted in a few days.