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, Do you know the cause of your pain?

, Do you feel that having pain is "normal"? 11. Do you think that there are solutions to relieve pain? 12. In your opinion, is pain a sign of disease severity? 13. In your opinion, is pain a sign of disease progression? 14

, Currently, what type of treatment are you taking for your cancer? 20. Did you send the second questionnaire to one of your relatives?

, If not, please do not answer the following questions -If so

, Figure S1 The evaluation regarding cancer pain and patients' educative needs (3 parts, 36 questions in total of the self-reported questionnaire)