Unusual Intestinal Displacement Into Breast Radiation Therapy Field in a Patient With Breast Cancer and Ipsilateral Diaphragm Paralysis: Thoracic and Abdominal Organ-Sparing Breast Radiation Therapy Using Continuous Positive Airway Pressure in a Community Cancer Center

Le résumé fourni par la source

Locoregional radiation therapy (RT) for breast cancer (BC) puts the heart and lungs at risk of developing RT-related cardiopulmonary toxicity and non-BC mortality.1,2 To minimize radiation dose to thoracic normal organs at risk (OARs), the deep inspiration breath hold (DIBH) technique has been commonly applied for eligible patients during breast RT.3,4 Besides the heart and lungs, certain diaphragmatic disorders, such as diaphragmatic-intestinal interposition5 or diaphragm paralysis, can unusually displace intestines and/or other abdominal organs within breast RT fields, forming unexpected abdominal OARs and unnecessary RT-related abdominal toxicity.

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