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herapy 。 other treatments first then operation depending on the cytologic type, position,size and stage of the tumor.,Treatment,SCLC: Ⅰ Chemotherapy , operation. Ⅱ Chemotherapy,radiotherapy. NSCLC: Ⅰ Operation. Ⅱ Most :operation→chemotherapy Small parts: radiotherapy.,Treatment,Ⅲ: Operation + chemotherapy。 4.Immunotherapy 。 4.Biopsy with medistinoscopy。obstructive pneumonia either lobal or segmental。,Clinical features,(2)Endocrine disorders including Cushing’s syndrome ,syndrome of inappropriate antiduretic hormone secretion(SIADHS), (3) Neuropathic or myopathic disorders including polyneuritis ,cerebellar degeneration,mental abnormalitis etc (4) others.,Radiographic Findings,The appearance on the xray film depends on the position ,size and stage of the tumor 1.Peripheral type :It may be various such as infiltrative or nodular, lobulated or umbilicus sign,liner protrusions from the shadow into the surrounding lung, cavitation which is often eccentric irregular in the inner wall owing to the necrosis of the neoplasm.,Radiographic Findings,2 Central type (1) Direct appearance :Unilateral enlargement of the hilar shadow due to the tumor itself or enlarged lymph nodes. (2) Indirect appearance :Including local emphysema。 3.Biopsy with thoracoscopy 。 3.Chemotherapy。 radiotherapy +chemotherapy. Ⅳ: chemotherapy+ radiotherapy(relieve some symptoms,such as pain, dyspnea, obstruction etc).,Thank YOU,