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We report on the development of 8 serious cases of ischemic colitis in patients with migraine treated with sumatriptan .
 Disease: ischemic colitis; Disease: migraine; Chemical: sumatriptan
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Disease: ischemic colitis; Disease: migraine; Chemical: sumatriptan