“If you see HOLES on chest X-ray, they are WEIRD“
- Wegener’s granulomatosis (now formally known as granulomatosis with polyangiitis)
- Embolic (pulmonary, septic)
- Infection (anaerobes, pneumocystis, TB)
- Rheumatoid (necrobiotic nodules)
- Developmental cysts (sequestration)
- Histiocytosis
- Oncological
- Lymphangioleiomyomatosis
- Environmental, occupational
- Sarcoid
Alternatively: L=Left atrial myxoma
Mnemonics 