Validation of Palliative Outcome Scale for people with cancer and HIV in Vietnam 23 The Vietnam Palliative Outcome Scale - VietPOS is the result of applying the modified APCA POS from Africa as the following: o VietPOS adds common symptoms experienced by cancer and HIV patients: lack of energy / fatigue, mouth problems, shortness of breath, nausea / vomiting, and lack of appetite, other symptoms o The social aspect of the VietPOS scale is expanded to cover issues such as sadness / depression, rejection / stigmatization due to illness; financial concerns for basic needs of oneself and family.