Left arm pain Early cancer

Left arm pain is often caused by benign diseases, such as scapulohumeral periarthritis, arthritis, local chronic trauma or muscle strain. A small number of patients with left arm pain may be related to cancer, one is hematopoietic cancer, when the primary left humerus can cause pain. The second is local primary bone tumor of the left humerus can also cause local pain, which can be seen in the early stage. And then there's a portion of advanced cancer that shows left humerus metastasis, causing pain in the left arm, which is also visible.