All of the following are cardinal signs of inflammation except:
Celsus first listed the four cardinal signs of inflammation: rubor (redness), tumor (swelling), calor (heat), and dolor (pain). These signs are hallmarks of acute inflammation. A fifth clinical sign, loss of function (functio laesa), was added by Rudolf Virchow.
Pain
Swelling
Redness
Absence of functional loss
Basic Concepts and Vascular changes of Acute Inflammation