4582
Serum CA 19 - 9 level has good predictive value for malignant or invasive IPMNs .
 Serum, malignant, invasive IPMNs
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Anatomy 
Text: {0} 
Answer:
 Serum, malignant, invasive IPMNs