<prompt> Which is false about adenocarcinoma of the lung?32 of lung carcinomasSame incidence in male and femalesPeripheral in locationNone of the above  <response>: NSCLC is divided fuher into adenocarcinoma, squamous cell carcinoma SCC, and large cell carcinoma histologies. Adenocarcinoma, arising from the bronchial mucosal glands, is the most frequent non-small cell lung cancer, representing 35-40 of all lung cancers. It usually occurs in a peripheral location within the lung. Adenocarcinoma is the most common histologic subtype, and may manifest as a scar carcinoma. This is the subtype observed most commonly in persons who do not smoke. This type may manifest as multifocal tumors in a bronchoalveolar form. 