Many residents of southern and central Florida do not realize they may have an invasive species right in their own backyard. The cane toad is a native of Central and South America and was introduced to Florida as a means to control white grubs in cane fields.
1 Breathing difficulties: Shortness of breath, wheezing or noisy breathing (called stridor) may all be signs of lung cancer.  Loss of appetite: Many cancers cause changes in appetite, which may lead to unintended weight loss.
The most common symptoms of lung cancer include the following: cough, blood in sputum (hemoptysis), change in breathing (shortness of breath or wheezing), chest pain, voice change (hoarseness), headache, weight loss, fatigue and swelling of the face or neck.