A patient visits a clinic

with complaints of easy fatigue, anorexia and loss of weight along with cough

and drenching night sweats for the past one month. His temperature is 100.3

       On physical examination there are enlarged lymph nodes in the anterior

triangle of the neck. Chest X-ray shows patchy shadows in the apical lung

fields.

An ESR is performed by Westergren method and the reading obtained is

given below.

The ESR reading of

the given sample is around