e amounts of foul-smelling sputumClubbing of fingersCoughing up bloodCough that gets worse when lying on one sideFatiguePalenessShortness of breath that gets worse with exerciseWeight lossWheezingSigns and testsWhen listening to the chest with a stethoscope, the doctor may hear small clicking, bubbling, wheezing, rattling, or other sounds, usually in the lower lobes of the lungs.Tests may include: