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. 2022 Feb 16;10:442–453. doi: 10.1016/j.xjon.2022.01.021

Figure 1.

Figure 1

The 2 groups in this study. The intervention group had full oral assessment by dentists and dental hygienists at Kyorin University Hospital before general anesthesia lung cancer surgery between April 2016 and March 2018. The nonintervention group had no oral assessment and lung cancer surgery between April 2014 and March 2016. The study was limited to lung cancer patients who had lobectomy and pneumonectomy.