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.
1 You begin wheezing suddenly and cough up frothy pink or white phlegm; this may be a sign of heart failure. 2  You cough up bloody phlegm or you have a sharp, localized chest pain (pleurisy); this could be a sign of pulmonary embolism.