Squamous cell carcinoma
Answer : C Mesothelioma
The sputum sample shows a ferruginous body, which appears as a yellow, beaded structures with clubbed ends.
Also termed asbestos bodies, they are formed by the precipitation of iron and protein complexes on asbestos fibers.
Asbestos exposure is a well-known risk factor for the development of mesothelioma.
The other choices are not associated with asbestos exposure.