Examining and Comparing the Temporal Changes and Results of Cosmetic, Quality of Life and Patient Satisfaction Achieved With Immediate and Delayed-immediate Implant-based Breast Reconstruction Procedures and Contralateral Symmetrization Techniques

Inclusion Criteria: * Under the age of 65 with uni- or bilateral primary breast cancer ( clinical Stage 0-III), needing modern skin sparing mastectomy, nipple sparing mastectomy or areola sparing mastectomy independently of the axillary surgery, having immediate or delayed-immediate implant based reconstrucion on the ipsilateral side and symmetrisation on the contralateral side ( mastopexy and/or implant based reconstruction and/or breast sling with ultrapro mesh) * Control group: patients under 65 years with unilateral simplex mastectomy without breast reconstruction Exclusion Criteria: * In case the patient does not volunteer for the examination or the follow-ups * Age above 65 years or poor general health condition, where the estimated life expectancies would be less than 2 years even without the tumorous disease * Malignant invasive tumor in the past history (except for non-melanoma skin tumors) * Mastectomyand reconstruction performed due pregnancy associated breast cancer * Prior breast surgery (e.g. aesthetic surgery, mastopexy) and/or radiotherapy on the breast or in the axilla * Malignant tumor is not removed completely with pathological examination * Severe non-surgical (e.g. radiotherapy) complication, which could influence the aesthetic and functional results * Autoimmune diseases * Mastitis carcinomatosa * Lymphangitis carcinomatosa * Open wound therapy due SSI * Long-term steroid usage, which changed the skin's quality and structure * Patient under foster care, or psychically non-cooperative patient * If breast correction performed during the 5 years follow up