General Considerations.- Anatomic Considerations.- Premalignant Conditions of the Lip.- Squamous Cell Carcinoma of the Lip.- Squamous Cell Carcinoma-Surgical Management.- Squamous Cell Carcinoma-Radiation Therapy.- Squamous Cell Carcinoma-Chemotherapy.- Reconstruction of Full-Thickness Defects of the Lip.- Reconstruction Considerations Based on Size of Defect.- Reconstruction of Complex Defects.- Vascularized Flap Reconstruction.- Complications Associated with Treatment of Lip Cancer.- Complications Associated with Reconstruction of Lip Defects.- Complications Associated with Radiotherapy.