Pedal edema (Human Phenotype Ontology id HP_0010741) is an abnormal accumulation of excess fluid in the lower extremity resulting in swelling of the feet and extending upward to the lower leg. Also known as: Edema of the lower limbs, Fluid accumulation in lower limbs, Leg edema, Leg oedema, Lower leg swelling, Oedema of the lower limbs, Pedal oedema, Peripheral edema of lower extremity.