 Patients receive bortezomib IV on days 1, 4, 8, and 11 or days 1, 8, 15, 22, and 29 and oral celecoxib twice daily on days 1-21 or 1-42. Courses repeat every 21 or 42 days in the absence of disease progression or unacceptable toxicity. Patients are evaluated every 2 courses. Patients achieving complete response CR receive 2 additional courses of therapy beyond CR. 