Which of the Following Are Common Radiographic Findings Seen in Patients

Multiple Choice

Which of the following are common radiographic findings seen in patients with volume loss due to atelectasis?
1) Elevation of the hemidiaphragm
2) Narrowing of the space between the ribs
3) Increase in the retrosternal airspace
4) Shift of the mediastinum

A) 1 only
B) 3 only
C) 1, 2, and 4 only
D) 3 and 4 only