HCC also uses the Eastern Cooperative Oncology Group (ECOG) scoring system, as follows: Score 0: normal mobility, no difference in mobility from before the onset of the disease. Score 1: Able to walk freely and perform light physical activities, including general housework or office work, but unable to perform heavier physical activities. Score 2: Able to walk freely and take care of oneself, but has lost the ability to work, and can get up and move around at least half of the daytime. 3 points: only partially able to take care of themselves, more than half of the day time is bedridden or in a wheelchair. 4 points: bedridden, unable to take care of himself/herself. 5 points: Death.