Additionally, the fluorescence intensity ratios of hepatic tumor or abdominal wall tumor (Aw tumor) to heart, liver, spleen, lungs, kidneys, and brain were significantly higher in the P407-DiR-SSD-Lps group than in the P407-DiR-Chol-Lps group (Fig. 4g-4l). The gene discussed is IRF6; the disease is neoplasm.