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.
Common breathing and lung sounds are referred to as wheezing, rales or stridor. Wheezing is a high pitched sound that is often heard when you breathe out, or exhale. Yet, the sound of wheezing may be heard with an inhaled breath. Causes for wheezing include: TB. GERD. COPD. goiter.