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. 2021 Mar 29;11:8. doi: 10.1186/s40945-021-00103-4

Table 3.

Risk factors for breast edema

Related to radiotherapy Increase in irradiated breast volume
Increase in boost volume
Photon boost
Increasing breast separation
External beam radiation (vs. intra-operative radiotherapy)
Conventional radiotherapy (vs. intensity-modulated radiotherapy)
Related to surgery Postoperative infection
Related to tumor characteristics Larger tumor
Related to personal factors Larger breast volume
Increasing breast density
Diabetes mellitus