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任何恶性肿瘤在其自然发展过程中很少不出现一些血液学变化。这些变化是晚期扩散性恶性肿瘤的特点之一。贫血贫血是恶性肿瘤最常见的血液系统并发症。其原因可分述如下。出血许多胃肠道肿瘤和妇科肿瘤患者可能因慢性失血引起贫血。
Any malignant tumor rarely undergoes some hematological changes during its natural development. These changes are one of the characteristics of advanced malignant tumors. Anemia Anemia is the most common blood system complication of malignancy. The reason can be divided as follows. Bleeding Many patients with gastrointestinal tumors and gynecologic cancers may cause anemia due to chronic blood loss.