Plastic surgery is a specialized field of medicine that focuses on reconstructing, restoring, or altering the human body. It encompasses both reconstructive and aesthetic (cosmetic) procedures. Correcting defects or deformities caused by congenital conditions (birth defects), trauma (injuries), burns, infections, tumors, or disease (such as breast cancer). Restoring breast shape and size after mastectomy (removal of breast tissue) due to cancer. Reconstructing skin and tissues damaged by burns to improve function and appearance. Restoring hand function and appearance after trauma or congenital anomalies. Transferring tissue from one part of the body (donor site) to reconstruct another area (recipient site). Using skin from a donor site to cover wounds or areas of skin loss. Improving aesthetic appearance and symmetry of facial features, body contours, and skin tone.