Gaining experience with cancer and cardiac operations and following safety guidelines have helped hospitals lower the number of deaths among people having high-risk surgery over the last nine years.

"Overall, surgery in the United States is getting safer," said lead researcher Dr. Jonathan F. Finks in a HealthDay News article.

Much of this is due to many high-risk cancer operations being done in hospitals that do a lot of them and to overall better compliance with safety guideline, the researchers noted.

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