4950
We report a patient with inoperable pancreatic cancer who developed gastrointestinal bleeding secondary to radiation - recall related to gemcitabine and review literature .
 adverse effect: gastrointestinal bleeding, gemcitabine; adverse effect: radiation - recall, gemcitabine
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:  gastrointestinal bleeding, gemcitabine; radiation - recall, gemcitabine 
Answer:
 adverse effect: gastrointestinal bleeding, gemcitabine; adverse effect: radiation - recall, gemcitabine