preferred_name: Biopsy shows rimmed vacuoles, central nuclei, and variation in fiber size
preferred_name_lc: biopsy shows rimmed vacuoles, central nuclei, and variation in fiber size
label: Biopsy shows rimmed vacuoles, central nuclei, and variation in fiber size
label_lc: biopsy shows rimmed vacuoles, central nuclei, and variation in fiber size