 She underwent positron emission tomography (PET) scanning, which showed diffuse hypermetabolic lymph nodes measuring 1 to 2 cm in diameter, as well as a hypermetabolic spleen that was enlarged.
She underwent positron emission tomography ( PET ) scanning , which showed diffuse hypermetabolic lymph nodes measuring 1 to 2 cm in diameter , as well as a hypermetabolic spleen that was enlarged .