Conclusion HBsAg immune activity can be weakened after the samples are laid long, then doctors may omit the patients with HBsAg weak positive illness.
结论标本久置会使乙肝表面抗原的免疫活性减弱，从而遗漏乙肝表面抗原弱阳性者。
Conclusion: colorectal cancer rarely metastasizes to the liver infected with HbsAg; the chance of liver metastases of colorectal cancer is large for patients with HbsAg (-).
结论：结、直肠癌较少转移至感染乙肝的肝脏，非感染乙肝的肝转移机率较大。
Conclusion: colorectal cancer rarely metastasizes to the liver infected with HbsAg; the chance of liver metastases of colorectal cancer is large for patients with HbsAg (-).
结论：结、直肠癌较少转移至感染乙肝的肝脏，非感染乙肝的肝转移机率较大。
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