Lumbar disc herniation spinal stenosis did minimally invasive surgery 73 days and still swollen, consider with incomplete disc removal, lumbar spine instability, excessive activity, infection and so on related. You should consult a doctor to find out the cause of the problem. 1. Incomplete removal of intervertebral discs: Due to incomplete removal of herniated intervertebral discs during surgery, there are still herniated intervertebral discs, which repeatedly compress the spinal cord nerve roots, leading to recurrent edema for 73 days after surgery. 2. Lumbar spine instability: Although the disc removal surgery is performed, the instability of the lumbar spine will repeatedly cause compression and irritation to the spinal cord and nerves, which will lead to recurrent edema 73 days after the surgery. 3. Excessive activities: without strict attention to rest after lumbar intervertebral disc surgery, premature activities, such as bending over to carry heavy things, lifting heavy objects, will repeatedly produce local stimulation, resulting in repeated edema 73 days after surgery. 4. Infection: If you don’t pay attention to changing medicine and disinfection after surgery, it is easy to cause bacterial infection, which will cause damage to the local tissues and also cause repeated edema 73 days after surgery. If you do lumbar disc herniation spinal stenosis did minimally invasive surgery 73 days still swollen, it is recommended to consult a doctor in a timely manner, improve the examination to clarify the cause of the disease, and comply with the doctor’s instructions for targeted treatment.