Can Back Pain Be a Sign of Kidney Cancer? Truth Explained Lower back pain is often blamed on muscle strain, posture problems, or spine issues, but in some cases, back pain can be a warning sign of kidney-related diseases, including serious conditions like kidney tumors or kidney cancer. Ignoring such symptoms or delaying proper evaluation can lead to late diagnosis and complications. In this video, Dr. Sumanta Mishra, senior urologist, clearly explains when back pain is related to the spine and