The cancerous tumor was less than two centimeters in diameter, her spokesman said Tuesday.
"Survival is no better with radical or partial nephrectomy with tumors up to seven centimeters in diameter," Dr. Russo said.
About half of the tumors are malignant, and more than 60percentt are smaller than four centimeters in diameter.
Thin, but more than twometers in length, it would have been taller than I am if stood upright.I calculated the base as roughly 25 centimeters in diameter.
By then, she had Stage 2 breast cancer — a tumor more than two centimeters in diameter that may have spread to nearby lymph nodes — and needed a mastectomy and chemotherapy.
The other study, by Dr. Umberto Veronesi of the European Institute of Oncology and his colleagues, involved women with tumors no larger than two centimeters in diameter, though in all but three cases the tumors were large enough to feel.
The American study, by Dr. Bernard Fisher of the University of Pittsburgh and his colleagues, involved women with tumors up to four centimeters in diameter, or about an inch and a half, which can easily be felt.
The melanoma on Mr. McCain's left temple was 2 centimeters in diameter and 0.22 centimeters deep, and was fully excised with wide margins, 2 centimeters in each direction, his campaign staff said.
At 12 centimeters in diameter, both discs are similar to today's offerings, though Sony's discs are protected from fingerprints, dust and scratches by square plastic cartridges when not in use.
And there was a soft tissue mass at the base of the neck that measured 10 centimeters in diameter and was raised a couple of centimeters.
He said that he flew to Cuba over the weekend for a regular medical exam and that doctors had found a lesion about two centimeters in diameter in the same place that the tumor was found last year.
