In which of the following forms of pulmonary carcinoma is the classic progression of metaplasia to dysplasia to carcinoma in situ observed
Small-cell carcinoma
Adenocarcinoma
Large-cell carcinoma
Squamous cell carcinoma
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.
All India exam