Part I: Press-Fit Concept -- Uncemented Concepts: Parameters to Make a Choice -- The Press-Fit Concept: Principles and Press-Fittable Zones -- The Press-Fit Concept: Practical Application -- The Press-Fit Concept: Implants And Instruments -- Part II: Preoperative Planning -- Radiographic Analysis Of The Femur -- Selection of a Strategy -- Making a Preoperative Template -- Part III: Surgical Technique -- Trochantero-Diaphyseal Femoral Flap -- Femoral Flap and Diaphyseal Primary Fixation -- Endofemoral Approach and Proximal Primary Fixation -- Part IV: Evaluation of the Radiographic Results -- General Considerations -- A-Evaluation of the Radiographic Results - How? -- Evaluation of Initial and Secondary Bone Stock -- Evaluation of Osseointegration and Secondary Stability -- Global Radiographic Score -- Comparative Elements with the Engh Score -- Part V: Evaluation of the Radiographic Results - Why? -- The Learning Curve and its Teachings -- Different Types of Primary Stability: Their Impact on the Radiographic Results -- Degree of Osteoporosis: Its Impact on the Radiographic Results -- Affected Initial Bone Stock: Its Impact on the Radiographic Results -- Parameters to Improve Radiographic Results -- Complications and Contraindications -- Numerical Evaluation and Comparative Analysis of Results -- General Conclusions: What You Should and What You Should not Do.