Objective: To explore the value of palliative operation in late stage breast cancer patients.
目的：探讨姑息性手术在晚期乳癌患者综合治疗中的价值。
Clinically, most of esophageal cancer patients are in middle or late stage.
临床上，多数食管癌患者就诊时即已为中、晚期。
Clinically, most of esophageal cancer patients are in middle or late stage.
临床上，多数食管癌患者就诊时即已为中、晚期。
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