IInclusion criteria  Patients who undergo elective laparoscopic colorectal surgery for colorectal neoplasia, diverticulitis, and other diseases of the colon and rectosigmal area Patients able to provide informed written consent Patients capable of completing questionnaires at the time of consent  Exclusion criteria  Documented allergic reaction to morphine, hydromorphone, lidocaine, bupivacaine, fentanyl and/or oxycodone Contra-indication to placement of epidural catheter (spinal stenosis, spinal fusion, elevated international normal ratio (INR), anticoagulation, patient refusal, etc.) or TAP block (patient refusal) Urgent or emergent surgery precluding epidural catheter placement or TAP block Systemic Infection contraindicating epidural catheter placement or TAP block Rectal surgery Pregnant or suspected pregnancy Age < 18 years Planned open surgery Planned bowel stoma (protective diversion and/or permanent stoma) Unwillingness to participate in follow-up assessments Patients with severe chronic pain Known sensibility for opioid side effects i.v.-PCA is contraindicated (for example drug abuse) No informed consent