伤口感染的局部征象是疼痛，压痛，肿胀，发热，以及红斑。

Local signs of wound infection consist of pain and tenderness, swelling, warmth, and erythema.

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局部皮肤血循环差（大剂量放射治疗后，反复多次手术局部瘢痕重） ，伤口感染软骨坏死排出，T形管损伤黏膜形成新的瘢痕狭窄和瘢痕体质。

The factors of failure were disturbance of local blood circulation, wound infection followed rib necrosis, T-tube injured mucomembrane then became a new stenosis, and restenosis for scar constitution.

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