[Verified Answer]: Which of the following is an example of a…

Which of the following is an example of a significant unexpected diagnosis? A. Acute graft versus host disease in a specimen from a transplant recipient B. Suspected benign neoplasm with malignant findings e.g. papillary thyroid cancer (PTC) arising in a struma ovarii C. Infectious organisms in sterile sites (e.g. CSF, heart valve, bone marrow) OR evidence of tissue invasion when infection was not suspected D. Bile in thoracentesis fluid