Clinical Trial to Evaluate the Safety and Efficacy of Breast Implant

Inclusion Criteria: * Over 22 years of age * Subjects who want breast augmentation reconstruction following breast cancer, congenital or accidental unbalanced breast size * Negative pregnancy test in fertile women * Subjects who voluntarily decided the participation of the study and signed the informed consent * Subjects who can understand and comply with the instructions and participate during the entire period of the trial Exclusion Criteria: * previous breast reconstruction or augmentation history * self -immune disease * uncontrolled active infectious disease * unable to insert beast implant due to radiotherapy * Patients who have recurrent breast cancer or do not treat effectively their cancer * Keloid * Abnormal blood test or ECG result for general anesthesia * Patients who cannot MRI scan due to having Metallic substance in the body or Claustrophobia * Aesthetic addiction, drug abuse, alcohol abuse * Patients who are not eligible for this study at the medical discretion of the Principal Investigator or Sub-investigator