True about small cell lung cancer
Bone marrow is uncommonly involved
Destruction of alveolar cells
Peripheral in location
All
Small cell carcinoma is central or hilar in location .It is a highly malignant tumour characterised by the destruction of peribronchial tissue and alveoli.By hematogenous route,distant metastasis is very common to bone,brain,opposite lungs,liver,kidney,adrenals Ref Davidson edition23rd pg 614
Respiratory system