A 36-year-old woman presents complaining of pelvic pain. A computed tomography scan of the abdomen and pelvis demonstrates a 5-cm pseudocyst in the body of the pancreas and a right ovarian hemorrhagic cyst. The woman had an episode of acute pancreatitis 5 weeks ago. She denies upper abdominal or back pain and has been eating normally without nausea or vomiting. What is the treatment for the pseudocyst?

A. Operative cystogastrostomy

B. Endoscopic drainage

C. Percutaneous drainage

D. Observation

E. Distal pancreatectomy and splenectomy