Chest Radiology > Pathology > Atelectasis > General. Atelectasis is collapse or incomplete expansion of the lung or part of the lung. This is one of the most common findings on a chest x-ray. It is most often caused by an endobronchial lesion, such as mucus plug or tumor.
A Labradoodle, a crossbreed between a poodle and a retriever. A crossbreed or crossbred usually refers to an organism with purebred parents of two different breeds, varieties, or populations.
This would be called âbridgingâ. A saddle will also bridge if the gullet is too narrow and wonât allow the saddle to sit down properly in front. Secondly, the change in angle of the bars from the front of the tree to the back, referred to as theâ twistâ, must also match the horseâs rib cage.