The tumors usually arise from the main and lobar bronchi or trachea.
The tumors usually arise from the main and lobar bronchi or trachea.
肿瘤大部分长在气管，主支气管，或叶支气管中，从肺节支气管长出的病例较为罕见。
The tumors usually arise from the main and lobar bronchi or trachea.
肿瘤大部分长在气管，主支气管，或叶支气管中，从肺节支气管长出的病例较为罕见。