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Surveillance options for IP malignant transformation
| Clinical investigation options | Endoscopy |
| Computed Tomography | |
| Magnetic Resonance Imaging | |
| PET-CT with FDG | |
| Biologic markers | Genetic factors (P53, P21, MSX2, PDCD4, KRAS, PTEN) |
| Proteins (SCCa, fascin, surviving, COX-2, cell adhesion molecules, Ki-67 etc) | |
| Viral (HPV, EBV) |
