HPB Cancer Treatment in Pune!!! To Know More, Book an Appointment with Dr.Lalit Banswal,Specialist in Surgical Oncologist. Hepato-pancreato-biliary (HPB) surgery consists of the general surgical treatment for benign and malignant diseases of the liver, pancreas, gallbladder, and bile ducts. These are among the most challenging and complex surgical procedures performed in General Surgery and require a high degree of expertise and skill. Dr. Lalit Banswal has a dedicated multidisciplinary team committed to the diagnosis and treatment of complex diseases of the liver bile duct, gallbladder, and pancreas. Our team specializes in minimally-invasive approaches including laparoscopic, robotic, and endoscopic techniques.