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. Author manuscript; available in PMC: 2021 Oct 1.
Published in final edited form as: J Surg Res. 2020 May 29;254:275–285. doi: 10.1016/j.jss.2020.04.036

Figure 1. Patient selection diagram based on data from the National Cancer Database (NCDB) from 2010–2015, applying the defined inclusion and exclusion criteria.

Figure 1.

PUF: participant user file. M: metastasis status. cT: clinical tumor size stage. cN: clinical nodal stage. WHO: World Health Organization. ER: estrogen receptor. PR: progesterone receptor. HER2: human epidermal growth factor receptor 2.