1985
Molecular mechanisms of pituitary tumorigenesis were studied using Polymerase chain reaction - single stranded conformational polymorphism with DNA sequencing to identify potential mutations in the ras protooncogenes and the tumor suppressor gene p53 in invasive pituitary adenomas and carcinomas .
 Anatomy: pituitary; Anatomy: tumor; Anatomy: invasive pituitary adenomas; Anatomy: carcinomas
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
 Anatomy: pituitary; Anatomy: tumor; Anatomy: invasive pituitary adenomas; Anatomy: carcinomas