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ROCHESTER, N.Y. -- Consumption of beef by women during pregnancy may alter a male's in utero testicular development and compromise his future reproductive capacity, researchers here reported. The reason could be residual anabolic steroids in the meat.

WASHINGTON -- Presidential spokesman Tony Snow, who was treated two years ago for colon cancer, had surgery yesterday for metastatic liver cancer, the White House announced today.

PROVIDENCE, R.I. -- Radiofrequency ablation is a safe and effective option for treating patients with early-stage but inoperable non-small cell lung cancer, according to researchers here.

BOSTON -- Women who put off regular pelvic exams have a nearly fourfold increase in the risk of ovarian cancer, according to researchers here.

NEW ORLEANS -- The first trial of a stent coated with two drugs -- estradiol and rapamycin -- showed no benefit over a stent eluting rapamycin alone.

SACRAMENTO, Calif. -- Health-plan patients who take advantage of periodic routine physicals are more likely to be screened for colorectal cancer, and for breast or prostate cancer, researchers here reported.

BOSTON -- Healthy women who took low-to-moderate doses of aspirin for at least five years had a reduced risk of death from any cause but especially cardiovascular disease, according to a large observational study.

NEW ORLEANS -- An analysis of coronary stenting plus optimal medical therapy found no advantage in any major cardiovascular endpoint over medical therapy alone, researchers reported here today.

This special report from Stanton M. Paddock, a MedPageToday contributing photographer, presents the sights and sounds of New Orleans at the 2007 ACC Conference.

NEW ORLEANS -- A rapid genotyping assay may help predict warfarin (Coumadin) dose response, researchers found.

NEW ORLEANS -- An investigational drug-eluting stent called Xience, coated with everolimus, led to significantly less late lumen loss restenosis after nine months than did the Taxus (paclitaxel-eluting) stent, said researchers here today.

NEW ORLEANS -- Low-dose aspirin reduced myocardial infarction and death following coronary stenting and other percutaneous coronary interventions, and it was significantly less toxic than high dose aspirin, researchers reported here.

NEW ORLEANS -- Among the blizzard of clinical trials to be presented at the American College of Cardiology meeting here over the next four days are 11 singled out for special treatment --simultaneous online publication in peer-reviewed journals.

LONDON -- Minimally invasive coronary artery bypass grafts are at least as effective as stenting, and maybe cheaper over the long haul, according to three studies published in BMJ.

HONG KONG -- Replacement of degenerative discs in the cervical spine with cadaver allografts shows early promise as an alternative to fusion or artificial discs, found researchers here.

MEMPHIS, Tenn. -- Clinicians may one day give children a nasal spray of viral enzymes to prevent acute otitis media, researchers said here.

WASHINGTON -- White House spokesman Tony Snow, who was treated for colon cancer in 2005, said today he would have surgery on Monday to resect a small growth discovered in his lower abdomen. He cautioned reporters against jumping to conclusions.

TORONTO -- The common practice of giving patients with acute lung injury nitric oxide (NO) may do more harm than good, investigators here reported.