Final answer:
For decubitus positions of the chest and abdomen, the markers should be placed according to the regional or quadrants approach.
Step-by-step explanation:
Radiographic markers are essential for facilitating proper image interpretation and for giving orientation in the decubitus postures of the chest and abdomen. The markers are to be positioned on the side of interest, usually at the level of the studied anatomy on the patient's skin.
Markers are frequently positioned on the lateral portion of the chest for chest decubitus poses. Markers should be placed on the lateral portion of the abdomen in abdominal decubitus situations.
When evaluating images, radiologists and other medical professionals can more easily determine the proper side or position thanks to these marker placements. Placing markers consistently and clearly improves communication, guarantees accurate radiographic study interpretation, and supports efficient patient care.