Fig. 1.

Chest X-ray in p.a. with rounding of the right costodiaphragmatic recess (black star), highly suspicious for a pleural effusion (A), organized pleural effusion in the right costodiaphragmatic recess in thorax sonography (B), FDG-PET with increased metabolism along the partly nodular thickened right pleura (red star) with punctum maximum basally (C), Microscopy of M. kansasii culture isolates (acid fast stain) (D). Images courtesy of Hannover Medical School, Department of Radiology and Department of Microbiology and Hygiene.