In the article titled “Evaluation of response in patients of metastatic castration resistant prostate cancer undergoing systemic radiotherapy with lutetium177-prostate-specifi c membrane antigen: A comparison between response evaluation criteria in solid tumors, positron-emission tomography response criteria in solid tumors, European organization for research and treatment of cancer, and MDA criteria assessed by gallium 68-prostate-specific membrane antigen positron-emission tomography-computed tomography”, published on pages 155-162, Issue 2, Volume 11 of Urology Annals,[1] the affiliation of Manoj Gupta is written incorrectly as “Department of Nuclear Medicine, Rajiv Gandhi Cancer Institute and Research Centre, Delhi, India” instead of “Department of Nuclear Medicine, Rajiv Gandhi Cancer Institute and Research Centre, Delhi, India and Amity Centre for Radiation Biology, Amity University, Noida, Uttar Pradesh, India”.The correct list of authors and their affiliations should read as below:Manoj Gupta1,3, Partha Sarathi Choudhury1, Sudhir Rawal2, Harish Chandra Goel3, Shriram Avinash Rao41Department of Nuclear Medicine, Rajiv Gandhi Cancer Institute and Research Centre, Delhi, India2Department of Uro-Gynae Surgical Oncology, Rajiv Gandhi Cancer Institute and Research Centre, Delhi, India3Amity Centre for Radiation Biology, Amity University, Noida, Uttar Pradesh, India4Department of Radiology, Rajiv Gandhi Cancer Institute and Research Centre, Delhi, India