Can cancer appear thin?

Cancer is not thin, need to judge according to the situation, details are as follows:

if mild cancer, usually cancer cell replication is not active, and cancer cells are more limited, patients will not appear obvious discomfort symptoms, so may not occur thin. But if advanced cancer, cancer cells growth and reproduction process will consume too much nutrition and energy, resulting in body weight. At the same time, cancer belongs to chronic consumptive diseases. Cancer cells will compete with normal cells for nutrients during their growth and reproduction. Excessive consumption of nutrients in the body, coupled with insufficient supplementary nutrients, will also lead to weight loss.