Chest x-ray reports that haziness is noted in the right paracardiac area. The trachea is at midline. The heart is normal in size, shape and position. The pulmonary vascular marking is within normal limits. The hemidiaphgrams and costophrenic angles are intact. The osseous thoracic cage shows no significant bony abnormalities.

Conclusion: Inflammatory process in the right paracardiac area. The patient is 25 years old. Don't smoke.

What does the report mean? Is it serious and critical? Is it contagious? Does it need medication?