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PDT treatment relieved the clinical symptoms.
| Before treatment | After treatment | ||||||
|---|---|---|---|---|---|---|---|
| Groups | Patients | Hematochezia | Bowel habits and intestinal stimulation | Incomplete intestinal obstruction | Hematochezia | Bowel habits and intestinal stimulation | Incomplete intestinal obstruction |
| Control | 30 | 9 | 17 | 4 | 7 | 12 | 3 |
| Observation | 23 | 6 | 13 | 4 | 3 | 7 | 2 |
PDT, photodynamic therapy.
