Left arm numbness may be cancer

Sour left arm is not necessarily cancer.

Although some types of cancer may cause symptoms of numbness in the arm, it is not specific and cannot be determined by this symptom alone. Arm numbness may be caused by a variety of reasons, such as muscle fatigue, nerve compression, blood circulation problems, etc. If symptoms of numbness occur for a long time, it is recommended to seek medical attention and conduct a comprehensive physical examination to determine the specific cause. The doctor will give accurate diagnosis and treatment recommendations based on symptoms, signs and related examination results.