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Tumour-specific contra-indications for percutaneous endoscopic gastrostomy placement
| Risk of airway obstruction |
| T3/T4 oropharyngeal tumours with tongue-base extension |
| T3/4 hypopharyngeal tumours with exophytic component |
| T4 Laryngeal tumours with extralaryngeal extension |
| Risk of tumour seeding |
| T3/T4 hypopharyngeal tumours |
| T3/T4 cervical oesophageal tumours |
