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Second cancers including various types of hematological malignancy have been reported in patients with hairy cell leukemia treated with chemotherapy or interferon alfa .
 hematological malignancy, interferon alfa; Second cancers, interferon alfa
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: adverse effect 
Text: {0} 
Answer:
 hematological malignancy, interferon alfa; Second cancers, interferon alfa