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The aim of this study is to demonstrate that, with the oncoplastic surgery technique that we propose, it is possible to make a breast-conserving surgery, yet oncologically radical for cancer, if not locally advanced.With this new technique,it is possibile to avoid the excision of the skin overlying the tumor and the scar on the breast, exploiting an extra-mammary* access through an incision made immediately below the inframammary fold.The resulting surgical scar is hardly visible on standing, because hidden from the natural breast ptosis.The purpose of each type of surgical procedure on breast-conserving therapy for cancer is to complete the wide excision of the tumor with a minor a cosmetic alteration as possible of the breast profile, because the change of the body image affects the psychological aspects related to social relations and sexuality.The indications for this technique, according to TNM classification, are: T1 and T2 breast cancer without the involvement of the skin and unifocal ductal carcinoma in situ.After ultrasound-guided drawing of the anterior projection of the tumor on the skin, the surgical incision is made 2 mm below and parallel to the inframammary fold with a variable length, in relation to the need for exposure of the operative field.The dissociation of the posterior face of the mammary gland from the pectoralis major muscle fascia facilitates the localization of the tumor by bimanual palpation and his wide excision, regardless of his location, with a posterior approach, preserving the skin overlying the lesion.The reconstruction of the residual breast parenchyma with plastic flow of glandular flaps can be easily performed.Radioguided sentinel lymph node biopsy can be performed through a small axillary incision.In accordance with the current international protocols related to breast-conserving therapy,surgical treatment will be followed by radiotherapy and chemotherapy in due cases, into a standardized treatment regimen.With a four-year follow-up in our personal experience, no cosmetic alteration of breast profile and no clinical or radiological signs of recurrence of disease were observed.Additional research needs to be conducted to evaluate long term results and effectiveness of the proposed technique in relation to a large number of cases.