Correct!
5. All of the above

Pulmonary complications are frequent in dermatomyositis (1). Dysphagia due to involvement of the oropharyngeal striated muscles and upper esophagus leads to aspiration pneumonia. Interstitial lung disease is also a frequent pulmonary complication. Cancers occur in up to 15% of dermatomyositis patients particularly of the lungs, cervix, pancreas, breasts, ovaries, gastrointestinal tract and non-Hodgkin’s lymphoma.

Which of the following statements are true?

1. The doubling time of lung cancers averages about 30 days
2. Thoracic PET scan can dependably separate lung cancers from noncancerous thoracic lesions
3. Biopsy of a pulmonary nodule is required to make a diagnosis of lung cancer
4. Multiple lung nodules are inconsistent with a diagnosis of aspiration pneumonia
5. A negative cocci serology excludes a diagnosis of coccidiomycosis

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