30 下列有關腐蝕性食道傷害（caustic injury）之敘述，何者錯誤？
(A)重建消化道手術應在 3 至 6 個月完成
(B)此病人患食道癌的機會比一般人高 1000 倍
(C)一般建議開胸手術切除食道較不開胸切除食道安全
(D)胃為常用的重建食道器官

●Grade 0 – Normal

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●Grade 1 – Mucosal edema and hyperemia

●Grade 2A – Superficial localized ulcers, bleeding, exudates

Supportive care with pain control. A liquid diet may be initiated and the patient can be advanced to a regular diet in 24 to 48 hours.

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●Grade 2B – Deep focal or circumferential ulcers

●Grade 3A – Focal necrosis with multiple and deep ulcerations and small scattered areas of necrosis

●Grade 3B – Extensive necrosis

Endoscopic management – Most clinicians wait three to six weeks after the initial injury before attempting dilation and perform dilation slowly to minimize the risk of esophageal perforation

Surgical reconstruction – Patients with multiple failed attempts at endoscopic dilatations should be evaluated for reconstructive surgery. Most experts recommend delaying surgical reconstruction for six months to stabilize the injury.