Thoracalgia was less common in elder patients, while obstructive pneumonia and atelectasis was more.
(2)
年组中胸痛症状
较青年组低，而阻塞性
炎
张等合并症多见；
Thoracalgia was less common in elder patients, while obstructive pneumonia and atelectasis was more.
(2)年组中胸痛症状较青年组低，而阻塞性炎张等合并症多见；
(2)
年组中胸痛症状
较青年组低，而阻塞性
炎
张等合并症多见；
Thoracalgia was less common in elder patients, while obstructive pneumonia and atelectasis was more.
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