[Cytosolic cathepsin D levels in squamous carcinomas of the lung].

Background And Objectives: Cathepsin D is an aspartyl proteinase involved in tumoral invasion. The aim of this work was to study cathepsin D cytosolic levels in squamous carcinomas of the lung and their correlation with several clinical and biological parameters.

Patients And Method: The study group included 95 squamous lung carcinomas and 38 normal tissue samples from the same patients.