All the following cancers have infective etiology EXCEPT

Correct option is B

Among the listed options, squamous cell carcinoma of the lung does not have a viral or infectious etiology. The others are linked to viral infections such as HPV, EBV, and HHV-8. Explanation of each option: • (a) Squamous carcinoma of penis – Often associated with Human Papillomavirus (HPV) infection, especially high-risk strains like HPV-16 and 18. • (b) Squamous carcinoma of lung – Correct. This cancer is primarily caused by smoking and environmental pollutants, not by infectious agents. • (c) Burkitt’s lymphoma – Has a well-established link with Epstein-Barr Virus (EBV), especially in endemic (African) types. • (d) Kaposi’s sarcoma – Strongly associated with Human Herpesvirus 8 (HHV-8) and occurs more commonly in immunocompromised individuals, particularly in HIV/AIDS patients.