12890
In this healthy population , the relative risk of developing endometrial carcinoma in the tamoxifen arm was 2.54 , although when stratified by age , in women over 50 , the risk grew to 4.01 .
 endometrial carcinoma, tamoxifen
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:
 endometrial carcinoma, tamoxifen