These individuals can have trouble absorbing foods and dietary fats, often lose weight, and even develop a deficiency in vitamins A, D, E and K—which are fat soluble vitamins.

患者会出现食物和膳食脂肪的吸收困难，时常会体重减轻，甚至维生素A、D、E、K缺乏——这些维生素都是脂溶性的。