Dr. Ayan is one of Kolkata's reputed Radiation Oncologists with over 16 years of experience. Dr Ayan is an expert in managing the Cancers of the Head and Neck region, Lung, and Prostate, along with Gynaecological Cancers and Brain Tumours. Dr. Ayan has vast experience in Respiratory Gating, Volumetric Arc Therapy, IGRT, SRT, PET-based IGRT, IMRT, 3DCRT & Brachytherapy facilities. He has completed his speciality training from reputed international institutes.