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Our current data suggest that gamma rays worked as an initiator of carcinogenesis in normal human cells , giving rise to chromosome aberrations and immortality , and the Ha - ras oncogene played a role in the progression of the immortally transformed cell population to a neoplastic one showing enhanced colony formation in soft agar and tumorigenicity in nude mice .
 Anatomy: cells; Anatomy: chromosome; Anatomy: cell; Anatomy: neoplastic; Anatomy: colony
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: cells; Anatomy: chromosome; Anatomy: cell; Anatomy: neoplastic; Anatomy: colony