Is left back pain the first sign of cancer?

Left back pain may be an initial symptom of cancer, or it may be due to trauma, cervical spondylosis, pleurisy, and other causes.
1. Trauma: Pain in the left back can occur due to prolonged heavy labor, carrying things on the back or due to fracture or dislocation of vertebrae caused by muscle tension as a result of impact on the left back.
2. Cervical spondylosis: when the patient suffers from dorsal fascia inflammation and cervical spondylosis, due to prolonged work and poor sitting posture, the inflammation of the cervical back will be more obvious, and the soft tissues, ligaments or muscles will be overstretched, which will result in the phenomenon of pain in the left back.
3. Pleurisy or pneumothorax: when the patient suffers from pleurisy, the pain may radiate to the left back, resulting in pain on the left side of the back, which will be aggravated by deep breathing and coughing. Pneumothorax may be combined with dyspnea and other symptoms.
Besides, left back pain may also be caused by breast cancer, lung cancer, pancreatic cancer and other diseases whose cancer cells invade the normal tissue cells of the left back. If you find pain in the left back, it is recommended that you go to the hospital in time for checkup, clarify the cause of the disease, and then follow the doctor’s instructions for the next step of treatment.