Which of the following statements are true for paraneop...
多项选择题Which of the following statements are true for paraneoplastic syndromes?
A.
They may represent the earliest manifestation of an occult neoplasm
B.
They may be serious and even be lethal
C.
Cushing syndrome is the most common endocrinopathy
D.
They can only be seen in cancer patients, not in sarcoma patients
E.
They can mimic metastatic disease
