[Diagnosis approach of pulmonary embolism].

Background: Pulmonary embolism (PE) is a fairly common condition that can be fatal. The variability of presentation sets clinician up for potentially missing the diagnosis. Routine laboratory findings are nonspecific and are not helpful in diagnosis of PE.

[Sugar tumor].

Background: Clear cell tumor of the lung is a rare and very unusual benign pulmonary tumor. This tumor is called sugar tumor because of the abundance of glycogen on its cells.

Aim: To report a case of sugar tumor and discuss clinical, evolutive features and diagnosis difficulties of this tumor.