Table 3 Types and numbers of colorectal tumors observed in dimethylhydrazine (DMH), DMH + artemisinin (DMH + ART), and DMH + ART-loaded polylactic acid nanoparticles (DMH + ART-PLA NPs) treated groups
| Â | Polypoid tubular adenoma | Polypoid tubulovillous adenoma with dysplasia | Sessile villous adenoma | Sessile tubular adenoma | Sessile serrated adenoma | Advanced tubular adenocarcinoma | Invasive poorly differentiated adenocarcinoma | Mucinous advanced adenocarcinoma | Signet ring advanced adenocarcinoma |
|---|---|---|---|---|---|---|---|---|---|
DMH | 4 | 6 | 2 | 2 | 2 | 9 | 5 | 1 | 1 |
DMH + ART | 3 | 3 | 2 | 1 | 1 | 3 | 2 | 1 | 1 |
DMH + ART-PLA NPs | 2 | 3 | 1 | 1 | 1 | 2 | 2 | 0 | 0 |