Kwak S, et al. - The present study was conducted to investigate the long‐term results of a transforaminal epidural steroid injection (TFESI) in patients with lumbosacral radicular pain due to a herniated lumbar disc (HLD) by the location, type, and size of the HLD. Researchers enrolled a total of 114 patients who received the initial TFESI at least 4 years ago completed a phone interview. They evaluated the presence of radicular pain, degree of current pain, current pain medications and TFESIs, additional TFESIs, progression to surgery, and trouble in performing daily life activities and occupational job duties. The data provide beneficial information to clinicians managing radicular pain due to HLD.