A radiologist is a medical doctor specializing in diagnosing and treating diseases through medical imaging techniques, including X-rays, CT scans, and MRIs. Their role is crucial for accurate diagnoses and treatment planning. Key responsibilities include interpreting images, consulting with healthcare teams, and ensuring quality control. Required skills include analytical thinking, attention to detail, and effective communication. Radiologists typically work in hospitals, clinics, or diagnostic imaging centers and collaborate closely with physicians and surgeons. Career progression can lead to subspecialization, academic roles, or leadership positions in radiology departments.