Can a pill in the lungs be seen from chest X-ray?

In general, foreign objects in the lungs or airways can be visible on a chest X-ray. However, the visibility and detectability of a specific object, such as a pill, can depend on several factors:

1. Size and Density: The size and density of the object play a crucial role in its visibility. Larger objects and those with higher density, such as metal, are more likely to be seen on an X-ray compared to smaller or less dense objects like plastic.

2. Location: The location of the object within the lungs also affects its detectability. Pills or foreign objects lodged within larger bronchial tubes or closer to the major airways may be more easily seen compared to those situated deeper in the lung tissue.

3. Overlapping Structures: The clarity of an X-ray can be affected by the presence of overlapping structures. For instance, if a pill is located near the heart, diaphragm, or other dense tissues, it may be harder to discern on the X-ray due to the superimposition of these structures.

4. X-ray Technique and Quality: The technical aspects and quality of the X-ray itself can impact the detectability of a pill. Proper positioning, adequate exposure, and high-resolution imaging can enhance the visibility of foreign objects.

In most cases where a pill is lodged in the lungs, it should be visible on a properly taken and high-quality chest X-ray. If the suspected object is not readily apparent, additional imaging studies or procedures may be necessary for further evaluation and diagnosis.