the presence of pleural effusions and quantity of fluid ( small , moderate , or large ) were evaluated by using the following radiographic signs : increased homogeneous density superimposed over the lung , loss of the hemidiaphragm silhouette , blunted costophrenic angle , apical capping , elevation of the hemidiaphragm , decreased visibility of lower-lobe vasculature , and accentuation of the minor fissure .
C0024109
lung
C0225758
lower-lobe