This statement is inaccurate; cancer does not necessarily cause unilateral knee pain, and unilateral knee pain does not necessarily indicate cancer; there is no specificity between the two.
Cancer does not necessarily cause unilateral knee pain. Cancer is a large group of diseases that can occur in all parts of the body, including esophageal, stomach, and liver cancers, and these tumors do not cause knee pain. Only osteosarcoma, Ewing’s sarcoma, etc., which occurs in the tissues near the knee, can cause pain. And benign osteochondromas of the knee usually do not cause knee pain.
Unilateral knee pain doesn’t necessarily indicate cancer either. Benign conditions such as strained or exercised knee ligaments, knee cartilage damage, and osteoarthritis can also cause knee pain.
There is no specific link between unilateral knee pain and tumors.