1672
Initial treatment with heparin was substituted with thrombolysis , which resulted in clinical improvement and dissolution of right heart thrombus but was followed by fatal intracerebral haemorrhage .
 adverse effect: fatal intracerebral haemorrhage, heparin
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: fatal intracerebral haemorrhage, heparin