“…The characteristic pleural effusion resulting from PPF is large, rapidly accumulating, and usually left sided, with patients often requiring repeated thoracocentesis for symptomatic relief [ 6 , 7 ]. Macroscopically, pleural fluid is dark brown or even black, and fluid analysis is usually exudative, with significantly raised amylase (usually >10 000 U·L −1 and can be >50 000 U·L −1 ) [ 5 , 8 ]. Mortality risks in PPF stem mainly from sepsis, empyema and malabsorption [ 9 ].…”