Inclusion Criteria:  Informed consent Not smokers No vascular comorbidities (diabetic, vasculitis, coagulation disorders) BMI<30 CUP B-C (or mastectomy estimated weight less than 550gm) Good subcutaneous layer (>1cm on pinch test measured in upper/medial quadrant) No previous breast surgery No previous breast irradiation Breast Ptosis 1-2 according to Renault's classification DCIS tumors T1 T2 pN0 breast tumor with known favourable biologic features  Exclusion Criteria:  Impossibility of immediate reconstruction with definitive implants due to inadequacy of mastectomy flaps (inadequate in quantity and/or quality) Positive sentinel node biopsy requiring complete axillary dissection