 Depending on the location of the cyst in the body, the person could be asymptomatic even though the cysts have grown to be very large, or be symptomatic even if the cysts are absolutely tiny.If the person is symptomatic, the symptoms will depend largely on where the cysts are located.For instance, if the person has cysts in the lungs and is symptomatic, they will have a cough, shortness of breath and/or pain in the chest.