Ortho Dx: What is the best treatment for these rib fractures?

A 29-year-old man sustains multiple left-sided rib fractures during a motor vehicle accident 5 days prior to his visit. You see the patient in surgical consultation for severe pain with deep inhalation and palpable motion of anterior segments of the left hemi thorax. Portable chest X-ray shows approximately 9 rib fractures on the left, ...