Final answer:
The nurse should expect the presence of Reed-Sternberg cells in the laboratory report of a client with Hodgkin's lymphoma.
Step-by-step explanation:
The nurse should expect the presence of Reed-Sternberg cells in the laboratory report of a client with Hodgkin's lymphoma. Reed-Sternberg cells are large abnormal lymphocytes that are characteristic of Hodgkin's lymphoma. The presence of these cells in the report helps confirm the diagnosis of Hodgkin's lymphoma.