3347
We believe that this is the first report of secretory carcinoma of the endometrium associated with tamoxifen use .
 secretory carcinoma of the endometrium, 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:
 secretory carcinoma of the endometrium, tamoxifen