symptom - (medicine) any sensation or change in bodily function that is experienced by a patient and is associated with a particular disease

hydrothorax - accumulation of fluid in the pleural cavity (the space between the lungs and the walls of the chest) often resulting from disease of the heart or kidneys

haemothorax, hemothorax - accumulation of blood in the pleural cavity (the space between the lungs and the walls of the chest)

hyperaemia, hyperemia - increased blood in an organ or other body part

pulmonary congestion - congestion in the lungs

crowding - a situation in which people or things are crowded together; "he didn't like the crowding on the beach"