preferred_name: Muscle biopsy shows enlargement of type I muscle fibers, consistent with denervation
preferred_name_lc: muscle biopsy shows enlargement of type i muscle fibers, consistent with denervation
label: Muscle biopsy shows enlargement of type I muscle fibers, consistent with denervation
label_lc: muscle biopsy shows enlargement of type i muscle fibers, consistent with denervation