Since minimal invasive surgery is still "major" surgery, all the usual complications such as heart attack, stroke and even death are rare but possible.

由于微创手术仍然是一种手术，所有常见的并发症，如：心脏病、中风甚至死亡(虽然非常罕见)还是可能发生的。

youdao

She even made plans to protect her secret after death, but her untimely death in a hospital made it possible for her secret to be found out.

她甚至计划死后也要掩盖她的这个秘密，但是，她在医院中死得突然，使她被发现是一个女人。

youdao

One of the reasons it is not possible is that, even if you were successful in eliminating all causes of death, the increase in life expectation would be no more than 15 years.

说它不可能的理由之一，就是即使你成功地消除了所有导致死亡的因素，预期寿命的延长不可能超过15年。

youdao

One possible interpretation among many is that even in death, he foresees himself in heaven.

WSJ: Il Rosso Fiorentino | Deposition | A Maelstrom of Grief | Masterpiece by Peter Plagens