Chest X-ray is not used to diagnose<unk>  embolism. It can be used to rule out other causes of chest pain or dyspnea.
Air embolism chest x ray
Pulmonary edema chest x ray
Pleural effusion chest x ray
Boerhaave syndrome chest x ray
Fat embolism syndrome chest x ray
Linitis plastica chest x ray
Bronchitis chest x ray
Subcutaneous emphysema chest x ray