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Postoperative complications in patients
| Group | Microwave ablation group (n = 41) | Surgery group (n = 46) | χ2 | P |
| Pharyngeal discomfort | 0 | 1 | 1.508 | 0.219 |
| Hoarseness | 1 | 2 | ||
| Pain | 0 | 1 | ||
| parathyroid injury | 0 | 0 | ||
| Incision infection | 0 | 1 | ||
| Cough after drinking water | 1 | 2 | ||
| Incidence of complications | 4.9% | 15.2% |
