Stomach cancer is likely to cause pain in the middle of back spine, but pain in the middle of back spine is not necessarily stomach cancer. 1. Stomach cancer is likely to cause pain in the middle of back spine, but pain in the middle of spine is not necessarily stomach cancer. Stomach cancer is more obvious in digestive tract symptoms, and only after metastasizing to the spine bone will it cause pain in the spine. 2. If only pain in the middle of spine is found without gastric disease, it is common to have sudden spine disease, the most common ones are localized small joint misalignment and supraspinous ligamentitis. Small joint malalignment of the spine: usually manifested as a part of the pressure and pain is more obvious, spinal activity feels blocked, or the pain is aggravated by activity, you can go to the hospital’s rehabilitation and physiotherapy department or the massage department to carry out local manipulation of the reset, the symptom will soon be relieved. Localized supraspinous ligamentitis or interspinous ligamentitis is a common disease that can be relieved by using ointment that reduces swelling and pain, invigorates blood circulation and removes blood stasis, or non-steroidal anti-inflammatory and analgesic drugs. The middle of the back spine pain is recommended to consult a doctor in time, improve the examination to clarify the cause of the disease, and carry out targeted treatment.