生命维持治疗是医学界和哲学界争议颇多的话题。
Life maintenance therapy is a controversial issue in both fields of medicine and philosophy which encounters a great many ethical problems.
一些医生也串通一气，以“认知障碍”作为诊断结果，患者最终只能做透析或者其它的生命维持治疗。
Doctors, too, have been complicit: some use "cognitive impairment" as an argument for ending dialysis or other life-sustaining treatments.
到了肺癌的晚期，尽管治疗已无作用，但仍然能够延长患者的生命以及维持较好的生活质量。
When lung cancer is too advanced to be cured, treatments can still help patients live longer and maintain a better quality of life.
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