3.A small effusion might go unnoticed, whereas a large one might cause pain while inhaling, called pleurisy, or shortness of breath and might be more obvious only when lying down flat.
4.I bear nobody ill-will, thank God, and Mr. Wrench saved me in the pleurisy, but he'd better have let me die—if—if—" " I will meet Mr. Wrench here, then, shall I?