L
Lacrimal gland swelling
Laryngeal tumours
Laryngitis
Lens abnormalities
Leptomeningitis
Leukemia
Leukoerythroblastic anemia
Leukopenia
Lichen planus
Liver cirrhosis
Liver storage diseases
Lower urinary abnormalities
Lower urinary tract tumours
Lung abscess
Lung cancer
Lung diseases in children
Lymphadenopathy
Lymphomas