4440
Women who receive tamoxifen for breast cancer should be offered gynaecological surveillance during and after treatment .
 Chemical: tamoxifen; Disease: breast cancer
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: tamoxifen; Disease: breast cancer