Pleural Effusion

**Semantic type:** Finding

**Definition:** Increased amounts of fluid within the pleural cavity. Symptoms include shortness of breath, cough, and chest pain. It is usually caused by lung infections, congestive heart failure, pleural and lung tumors, connective tissue disorders, and trauma.

**Synonyms:** - PLEURAL_EFFUSION - PLEURAL_EFFUSION - Pleural effusion - Pleural effusion(s) - Pleural effusion, NOS - pleural effusion