In DMBA + ROSI-treated mice, mammary tumours isolated from PPARγ-WT mice were primarily identified as squamous cell carcinomas (Figure 3E); whereas, those from PPARγ-MG KO mice were classified as more malignant lesions that ranged from well-to-moderately differentiated (Figure 3F). The gene discussed is PPARG; the disease is squamous cell carcinoma.