7520
We report the development of squamous - cell carcinoma within a basal - cell epithelioma that was treated with intralesional injections of 5-FU .
 squamous - cell carcinoma, 5-FU
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:
 squamous - cell carcinoma, 5-FU