preferred_name: stage IVB inverted papilloma of the paranasal sinus and nasal cavity
preferred_name_lc: stage ivb inverted papilloma of the paranasal sinus and nasal cavity
label: stage IVB inverted papilloma of the paranasal sinus and nasal cavity
label_lc: stage ivb inverted papilloma of the paranasal sinus and nasal cavity