Fig. 2

Proportions of Selection of Risk Factors Affecting Decision-making of Postoperative Radiotherapy (PORT). Respondents were asked to select the 5 most significant risk factors among 16 provided risk factors. If a risk factor was not provided as an option, respondents could select the ‘Other’ option and reported it using plain text. Abbreviation: LN Lymph node, PET-CT Positron emission tomography with computed tomography, ctDNA Circulating tumor DNA