<prompt> Carcinoma responding maximally to radiotherapy is: September 2006Squamous cell carcinomaAdenocarcinomaSmall cell carcinomaNone of the above  <response>: Ans. C: Small cell carcinoma Small cell lung cancer SCLC is considered distinct from other lung cancer, called non-small cell lung cancer NSCLCs, because of their clinical and biologic characteristics. Small cell lung cancer exhibits aggressive behavior, with rapid growth, early spread to distant sites, exquisite sensitivity to chemotherapy and radiation, and frequent association with distinct paraneoplastic syndromes. Surgery usually plays no role in its management 