Fig. 3From: Retrospective study of pleural parasitic infestations: a practical diagnostic approachA practical diagnostic approach for the investigation of PPI. The rectangle boxes stated the examination or test procedures. The oval boxes stated the result of upstream examination or test procedures. Abbreviations: PPI, pleural parasitic infestation; CXR, chest X-ray; EPE, eosinophilic pleural effusion; NEPE, non-EPEBack to article page