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.
The Cavapoo is a crossbreed. Opening your heart and home to a crossbreed is like opening a beautifully wrapped package on your birthday: you never know whatâs going to be inside. Itâs often assumed that a crossbreed will combine the best of two or more breeds, but genetics doesnât always work that way.