A 65-year-old chronic smoker presented with a central lung mass with distal bronchiectasis and recurrent pneumonia. A greyish white tumor was resected. Which of the following histopathological finding is most likely to be seen?
Small cells with scant cytoplasm, ill-defined borders and hyperchromatic nuclei with nuclear moulding Derivatives of all three germ layers are seen Tall columnar cells with cytoplasmic and intraalveolar mucin Palisading or rosette-like arrangement of cells separated by abundant fibrovascular stroma