Prof Arora is an established Oncologist, Honorary Professor at University of Nottingham (UON) & Fellow of Royal College of Physician (London), who has special interest in Lung, Hepatopancreaticobiliary (Liver, Pancreatic, Gall Bladder; Bile Duct) tumours, Neuroendocrine tumours, and Breast cancer. He is the lead HPB/NET Oncologist at NUH. He leads the clinical trials unit for the Oncology department at NUH. He is the RCR Clinical Oncology Audit lead at NUH. Prof Arora is module convener for MSc Oncology course at UON and he supervises B.Med Sci students and junior doctors. He is actively involved in Medical school interviews. He is research active academic and Principal investigator for several clinical trials. He has authored several scientific papers in peer-reviewed journals.