TABLE B2. INDIVIDUAL AmMAL TUMOR PATHOLOGY OF FEMALE RATS IN THE TWO-YEAR FEED 



STUDY OF NITROFURANTOIN: UNTREATED CONTROL 



+ : Tissue examined microscopically 

 Not examined 



— : Present but not examined microscopically 

 I: Insufficient tissue 



M: Missing 



A: Autolysis precludes examination 



X: Incidence of listed morphology 



Nitrofurantoin, NTP TR 341 



114 



