"epidemiologya wide group of affected individuals"
"presentation"
"pathophysiology"
"investigation"
"treatment"
"chest X-ray"
"Chest X-ray"
"Chest X-ray"
Expected headings
"This is a basic article for medical students and other non-radiologists"
"Chest X-ray"
"CT chest"
"This is a summary article; read more in our article on pulmonary oedema."