Hyper-realistic 3D model of an adult male doctor standing with arms crossed. Wearing a white medical coat, light blue dress shirt, dark pants, and clean professional shoes. Stethoscope hanging around the neck. Neutral but confident facial expression. Looking slightly upward, as if analyzing something thoughtfully. Realistic human proportions, natural skin texture, detailed facial features, and professional hairstyle. High-resolution PBR textures, clean topology, realistic lighting, and accurate anatomy. Full-body model, standing pose, no distortions, no exaggerated proportions. high-quality hands and facial detail, no deformities. ultra-realistic human detail, photorealistic textures