preferred_name: Muscle weakness (affecting lower proximal extremities, abdominal wall, and iliopsoas muscle)
preferred_name_lc: muscle weakness (affecting lower proximal extremities, abdominal wall, and iliopsoas muscle)
label: Muscle weakness (affecting lower proximal extremities, abdominal wall, and iliopsoas muscle)
label_lc: muscle weakness (affecting lower proximal extremities, abdominal wall, and iliopsoas muscle)