How Long Will A Dog Live After Spleen Removed. How long will a dog live after spleen removed? If you decide to have the spleen removed, if it is cancerous, it may give him another 6 to 12 months.
The lymphatic system must be stimulated first. Maybe we haven't heard of dogs having a splenectomy (spleen removal), but know it is possible for humans to live well after. When discharged, full recovery should occur in two weeks.