Oncoplasty is a term that includes both oncological clearance with a cosmetically good outcome. It is done either by volume replacement or displacement. There are many options for breast oncoplastic surgery but we find that Round Block / Donut Mastopexy is the workhorse of Breast Conservation Surgery in cases of Early Breast Cancer.
This video demonstrates Benelli's technique - step by step for a lower quadrant breast lump. The idea is that it is possible to achieve R0 resection (microscopic freedom from disease) and yet have no scar on the breast, i.e. an excellent cosmetic outcome.