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Table 1 Patient, tumor, and treatment characteristics

From: Cardiac dose reduction during tangential breast irradiation using deep inspiration breath hold: a dose comparison study based on deformable image registration

Characteristics N = 32 (%)
Median age at treatment (years) 48 (25–77)
Cigarette smoking  
 Yes 1 (3)
 No 31 (97)
Cardiopulmonary comorbidities  
 None 19 (59)
 Hypertension 7 (22)
 Hyperlipidemia 2 (6)
 Diabetes mellitus 4 (3)
Breast cancer stage  
 I 9 (28)
 II 9 (28)
 III 14 (44)
Tumor stage  
 T1 14 (44)
 T2 11 (34)
 T3 7 (22)
Nodal stage  
 0 11 (34)
 1 9 (28)
 2 2 (6)
 3 10 (31)
Breast conservation  
 Yes 20 (63)
 No 12 (37)
Systemic therapy  
 Neoadjuvant chemotherapy 15 (47)
 Adjuvant chemotherapy 13 (41)
 Adjuvant trastuzumab 11 (34)
 Adjuvant endocrine therapy 9 (28)
 None 0 (0)