Continual, unexpected weight loss

Headaches, often with vomiting - at night or  early morning

Increased swelling, or persistent pain in bones, joints, back or legs

Lump or mass, especially in the abdomen, neck, chest, pelvis, or armpits

Development of excessive bruising, bleeding or rash

Constant infections

A whitish color behind the pupil

Nausea which persists or vomiting without nausea

Constant tiredness or noticeable paleness

Eye or vision changes which occur suddenly and persist

Recurrent fevers of unknown origin