2480
Expression of PTEN mRNA and protein in normal gastric mucosa and gastric cancer was evaluated by RT - PCR and SABC immunohistochemistry , respectively .
 gastric mucosa, gastric cancer
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Anatomy 
Text: {0} 
Answer:
 gastric mucosa, gastric cancer