ORGANIC VERSUS FUNCTIONAL PAIN HISTORY     ORGANIC     FUNCTIONAL Pain character     Acute, persistent pain   Less likely to change        increasing in intensity Pain localization     Sharply localized     Various locations Pain in relation to sleep   Awakens at night     No affect Pain in relation to     Further away     At umbilicus   umbilicus Associated symptoms   Fever, anorexia,      Headache, dizziness,        vomiting, wt loss,     multiple system com-        anemia, elevated ESR   plaints Psychological stress   None reported     Present