Objective: Somatic symptom disorder (SSD) is characterized by somatic symptoms that are very distressing or cause considerable functional disability. SSD is associated with various medical and psychiatric conditions and imposes high costs on the patient's health care system. Therefore, diagnosis and treatment of SSD are crucial. The Somatic Symptom Scale-8 (SSS-8) is a valuable and brief self-r...

The purpose of this study was to explore the characteristics of symptoms and to explore the presence and composition of symptom clusters in Thai patients with advanced lung cancer based on the “Theory of Unpleasant Symptoms”. One hundred and sixty five patients with advanced lung cancer were purposely selected from outpatient and inpatient oncology units at two tertiary hospitals in Bangkok to ...