Scapular suture pain 8 months after pancreatic cancer surgery may be caused by surgical injury and tumor recurrence. 1. Surgical injury: pancreas belongs to the organ behind the peritoneum, and there are a lot of nerves distributed around it, and the surgical process may cause damage to the nerves controlling the arm and scapula. 2. Tumor recurrence: pancreatic cancer surgery still has the possibility of recurrence, once the metastasis spreads in the back and scapular area, under the invasion and stimulation of the tumor, the patient will have pain and lumps. If the above situations occur, you should go to the hospital in time to find out the reasons and give appropriate treatment under the guidance of doctors.