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Accessory breast.
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Physical examination showed that the right axillary para-breast (Fig. 1) had a soft texture, clear margin and no vice nipple.
Doppler ultrasonography.
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The right axillary hypoechoic mass (Fig. 2) was revealed by subaxillary color Doppler ultrasound.
Chest CT.
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Chest Computed Tomography plain scan showed the right axillary space was occupied (Fig. 3), and there was no obvious abnormality in both lungs.
Pathological picture.
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Postoperative pathology (Fig. 4) showed right axillary mucinous carcinoma, which was locally micropapillary and surrounding (surround by) medium-grade intraductal cancer.
Permanent left superior vena cava.
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Chest CT (Fig. 5) and color Doppler echocardiography (Fig. 6) found the existence of PLSVC.