8238
Two patients treated for chronic myeloid leukemia with high doses of CCNU ( 1100 mg / m2 and 1240 mg / m2 , respectively ) developed a fatal pulmonary fibrosis .
 adverse effect: fatal pulmonary fibrosis, CCNU
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: adverse effect 
Text: {0} 
 Entity Pairs:  fatal pulmonary fibrosis, CCNU 
Answer:
 adverse effect: fatal pulmonary fibrosis, CCNU