👉 Pneumolithiasis is a medical condition in which small, hard masses of tissue (pneumatics) form within the lungs. These masses are called "pneumoliths" and they can be either solid or fluid. The symptoms of pneumolithiasis depend on the size and location of the mass, but some common signs include chest pain, difficulty breathing, coughing up blood, a feeling of fullness in the upper part of the lungs, and/or a sensation
