Multi-faceted assessment of cancer paIn etiology(tumor, tumor-related treatment, and tumor related diseases) ② severity 8 alcohol and drug addiction (4 psychological distress(somatization) ⑤ cognitive function; 6 pain mechanism(neuropathic, non-neuropathic) pain characteristics(continuous, incidental) exacerbating and relieving factors @impact the activities of patient's daily life, sleep, mood and other affects (10 other pain- related symptomsMulti-faceted assessment of cancer pain • ① etiology (tumor, tumor-related treatment, and tumor￾related diseases); • ② severity; • ③ alcohol and drug addiction ; • ④ psychological distress (somatization); • ⑤ cognitive function; • ⑥ pain mechanism (neuropathic, non-neuropathic); • ⑦ pain characteristics (continuous, incidental); • ⑧exacerbating and relieving factors; • ⑨impact the activities of patient’s daily life, sleep, mood and other affects; • ⑩ other pain-related symptoms