A 67yo man with hx of weight loss complains of hoarseness of voice. CT reveals opacity in the
right upper mediastinum. He denied any hx of difficulty breathing. What is the single most
appropriate inv?
a. Laryngoscopy
b. Bronchoscopy
c. LN biopsy
d. Bronchoalevolar lavage
e. Barium swallow
answer: C
TMN staging system: T – primary tumor (size); N – regional lymph nodes; M – distant
metastasis
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