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Figure 2. (a) Anteroposterior (AP) chest/abdomen film of a newborn premature boy in the special care baby unit (SCBU). This is an excellent film, perfectly centred over the mid chest region to avoid lordosis, with all four collimation marks present and excluding the gonads, head and limbs. (b) AP chest/abdomen film of a newborn premature boy in the SCBU. The image is well centred over the mid chest region but the presence of extraneous wires and leads obscures some of the anatomical detail. Although all four collimation marks are visible, the gonads are included and are unprotected. (c) AP chest/abdomen film of a newborn premature boy in the SCBU. This film contains several faults, including slight lordosis with the clavicles above the lung apices, absence of all four collimation marks, inclusion of the upper arms and legs and the unprotected gonads, and the presence of a holder's finger (bottom right).
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