Lymphangioleiomyomatosis is a rare disease of the lungs. It is characterized by atypical proliferation of smooth muscle cells in the lungs. The consequences are dyspnea, cough, hemoptysis, pneumothorax, and death. Radiologically, the condition manifests as cyst and multifocal nodularities. Reference: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3337385/#:~:text=Lymphangiomyomatosis%20(LAM)%20is%20a%20rare Image via: https://radiologykey.com/lymphangioleiomyomatosis/