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Acute myeloid leukemia and lung cancer occurring in a chronic lymphocytic leukemia patient treated with fludarabine and autologous peripheral blood stem - cell transplantation .
 adverse effect: Acute myeloid leukemia, fludarabine; adverse effect: lung cancer, fludarabine
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: adverse effect 
Text: {0} 
Answer:
 adverse effect: Acute myeloid leukemia, fludarabine; adverse effect: lung cancer, fludarabine