1. Chest x rays are ordered for a wide variety of diagnostic purposes : Pulmonary disorders Cardiac disorders Pre-operative assessment Pre-employment evaluation Systemic disorders including malignancy Verification of correct placement of catheters and tubes

2. INITIAL SURVEY Patient's name, age, sex Date exam done (very important if comparing prior exams). Check for position markers - right vs. left, upright. Patients position - supine, upright, lateral, decubitus. Technical quality of exam.

3. FILM INTERPRETATION DEPENDS ON: Film quality and technique Clinical history and presentation. Availability of previous x-rays for comparison. Knowledge of radiological anatomy. Recognition of the radiological signs of disease.

11. Systematic film review 1.Soft Tissues Calcifications Abnormal air collections Lumps/masses Look for sharp, distinct muscle fat planes

18. Systematic film review 2.Skeletal Structures Overall size, shape, and contour of each bone. Density or mineralization Compare cortical thickness to medullary cavity, trabecular pattern, look for erosions, fractures, any lytic or blastic regions

19. Case 8