A 62 year-old man presents to the emergency room with tingling and numbness in thumb, index, middle and ring fingers of both hands for the last six weeks. He has been having abdominal pain and diarrhea for the last two weeks. His medical history is significant for multiple myeloma. He underwent a colonoscopy and the biopsy revealed apple-green birefringence under polarized light on Congo red stain. Of the following, which type of amyloid deposits are observed in this patient?
