In a chest x-ray posterior anterior view
A
Right atrium forms the most of the right border of the heart
B
Pulmonary bay is usually concave in a normal person
C
Left atrial appendage is seen above the pulmonary bay area
D
Inferior vena cava is seen at the upper part of the right cardiac margin
E
Apex is rotated downwards in right ventricular enlargement
Correct Answer: Right atrium forms the most of the right border of the heart, Pulmonary bay is usually concave in a normal person, Left atrial appendage is seen above the pulmonary bay area