Dr. Dolgushin is an expert in interventional radiology, radiology, radiotherapy and oncoradiology. He has developed and introduced a wide range of innovative, anesthesia-free, interventional radiological methods for the treatment of cancer patients (liver cancer, bile duct cancer, kidney cancer, ureteral cancer, lung cancer, bone cancer). Dr. Dolgushin has introduced sparing technologies for the treatment of postoperative complications of thoracoabdominal surgical interventions that reduce postoperative mortality. He is the author of 360 research articles, 11 academic books monographs, invention patents, and educational films. Dr. Dolgushin was the Academic Adviser of 36 Ph.D. theses.