Diagnosis of sarcoidosis - the updated ATS 2020 recommendations through the prism of everyday clinical practice.

Diagnosis of sarcoidosis is not standardized, but there is a general consensus that it should be based on the following criteria: consistent, adequate clinical presentation, demonstration of the presence of granulomatous lesions in pathomorphological examination (in one or more tissue samples) and the exclusion of alternative causes of granulomatous disease. In this article, the reader will find, briefly presented, the most important position of ATS experts regarding selected aspects of the diagnosis of sarcoidosis, with a comment from the authors of this editorial.