In which of the following forms of pulmonary carcinoma is the classic progression of metaplasia to dysplasia to carcinoma in situ observed
All stages from squamous metaplasia to carcinoma in situ are observed in squamous cell carcinoma. Such a clear progression is not seen in the other forms of cancer listed.
Small-cell carcinoma
Adenocarcinoma
Large-cell carcinoma
Squamous cell carcinoma
All India exam