When Bob noticed a pain in his thigh, he was convinced it was a sign of bone cancer. Although x-rays revealed no sign of cancer, Bob sought the opinions of a dozen other physicians who agreed with the...

When Bob noticed a pain in his thigh, he was convinced it was a sign of bone cancer. Although x-rays revealed no sign of cancer, Bob sought the opinions of a dozen other physicians who agreed with the original opinion. What psychological disorder might Bob's behavior indicate?

 Conversion disorder

 Major depressive disorder

Catatonic schizophrenia

 Illness anxiety disorder

orr Depersonalization disorder