Carcinoma lung is associated with exposure to

(Asbestosis): {493- Harsh mohan 6th edition)* Asbestos exposure predisposes to a number of cancers, most importantly bronchogenic carcinoma and malignant mesothelioma. A few others are: carcinoma of oesophagus, stomach, colon, kidney and larynx and various lymphoid malignancies* Asbestos fibres are carcinogenic, the most carcinogenic being crocidolite* Lung carcinoma - occupational exposures to - asbestos, arsenic, bischloromethyl ether, hexavalent chromium, mustard gas, and polycyclic aromatic hydrocarbons, nickel (737-H 18th)* Prolong exposure to low level radon in homes might impart a risk of lung cancer equal or greater than that of environmental tobacco smoke* Prior lung disease such as chronic bronchitis, emphysema and tuberculosis have been linked to increased lung cancer as well.